2131312022012 has 12 divisors (see below), whose sum is σ = 3926101093320. Its totient is φ = 1009568852496.

The previous prime is 2131312021963. The next prime is 2131312022113. The reversal of 2131312022012 is 2102202131312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14021789543 + ... + 14021789694.

It is an arithmetic number, because the mean of its divisors is an integer number (327175091110).

Almost surely, 2^{2131312022012} is an apocalyptic number.

It is an amenable number.

2131312022012 is a deficient number, since it is larger than the sum of its proper divisors (1794789071308).

2131312022012 is a wasteful number, since it uses less digits than its factorization.

2131312022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28043579260 (or 28043579258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2131312022012 its reverse (2102202131312), we get a palindrome (4233514153324).

The spelling of 2131312022012 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, twenty-two thousand, twelve".