2131302120012 has 90 divisors (see below), whose sum is σ = 6033201263628. Its totient is φ = 655785250848.

The previous prime is 2131302120007. The next prime is 2131302120043. The reversal of 2131302120012 is 2100212031312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19407058 + ... + 19516569.

Almost surely, 2^{2131302120012} is an apocalyptic number.

It is an amenable number.

2131302120012 is an abundant number, since it is smaller than the sum of its proper divisors (3901899143616).

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

2131302120012 is a wasteful number, since it uses less digits than its factorization.

2131302120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38923669 (or 38923645 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2131302120012 its reverse (2100212031312), we get a palindrome (4231514151324).

The spelling of 2131302120012 in words is "two trillion, one hundred thirty-one billion, three hundred two million, one hundred twenty thousand, twelve".