Number 12 in British English words is twelve.
Number consists of 2 digits, two-digit.

Number 12 in American English words is twelve, in German words is zwölf, in French words is douze, in Spanish words is doce, in Italian words is dodici, in Dutch words is twaalf, in Danish words is tolv.
If you want to write in words the number 12, it is necessary to use 6 characters.

Number 12 in binary code can be written 1100.

Number 12 in octal code can be written 14.

Number 12 in hexadecimal code can be written C.

Number 12 in Roman numerals is XII.

Unix timestamp 12 converted to human readable date and time is Thursday January 1, 1970, 3:00 AM.

Decimal IP address 12 converted to dotted-decimal format is 0.0.0.12.

The square root of 12 is 3.4641016151378.
Number 12 multiplied by 2 equals 24.
Divided by 2 equals 6.
The sum of all digits equals 3.
Number 12 raised to the power of 2 is 144.
Number 12 raised to the power of 3 is 1728.

The cosine of number 12 is 0.84385395873249.
The sine of number 12 is -0.53657291800043.
The tangent of number 12 is -0.63585992866158.
The radian equivalent of number 12 is 0.20943951023932.
The equivalent of number 12 in degrees is 687.54935415699.
The base-10 logarithm of number 12 is 1.0791812460476.

This number is even number (an integer that is evenly divisible by 2).
Number 12 is not a prime number.