12031312102 has 32 divisors (see below), whose sum is σ = 18894643200. Its totient is φ = 5739132000.

The previous prime is 12031312093. The next prime is 12031312103. The reversal of 12031312102 is 20121313021.

12031312102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492599 + ... + 1500637.

It is an arithmetic number, because the mean of its divisors is an integer number (590457600).

Almost surely, 2^12031312102 is an apocalyptic number.

12031312102 is a deficient number, since it is larger than the sum of its proper divisors (6863331098).

12031312102 is a wasteful number, since it uses less digits than its factorization.

12031312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12031312102 its reverse (20121313021), we get a palindrome (32152625123).

The spelling of 12031312102 in words is "twelve billion, thirty-one million, three hundred twelve thousand, one hundred two".