3102312132012 has 24 divisors (see below), whose sum is σ = 7239459696112. Its totient is φ = 1033999560000.

The previous prime is 3102312131959. The next prime is 3102312132013. The reversal of 3102312132012 is 2102312132013.

It is a self number, because there is not a number n which added to its sum of digits gives 3102312132012.

It is not an unprimeable number, because it can be changed into a prime (3102312132013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12936739 + ... + 13174362.

Almost surely, 2^{3102312132012} is an apocalyptic number.

It is an amenable number.

3102312132012 is an abundant number, since it is smaller than the sum of its proper divisors (4137147564100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3102312132012 is a wasteful number, since it uses less digits than its factorization.

3102312132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26121009 (or 26121007 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3102312132012 its reverse (2102312132013), we get a palindrome (5204624264025).

Subtracting from 3102312132012 its reverse (2102312132013), we obtain a palindrome (999999999999).

The spelling of 3102312132012 in words is "three trillion, one hundred two billion, three hundred twelve million, one hundred thirty-two thousand, twelve".