2131938698512 has 40 divisors (see below), whose sum is σ = 4998410902656. Its totient is φ = 859941659136.

The previous prime is 2131938698509. The next prime is 2131938698521. The reversal of 2131938698512 is 2158968391312.

It is a super-2 number, since 2×2131938698512² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559855948 + ... + 559859755.

Almost surely, 2^{2131938698512} is an apocalyptic number.

It is an amenable number.

2131938698512 is an abundant number, since it is smaller than the sum of its proper divisors (2866472204144).

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

2131938698512 is a wasteful number, since it uses less digits than its factorization.

2131938698512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119715735 (or 1119715729 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The spelling of 2131938698512 in words is "two trillion, one hundred thirty-one billion, nine hundred thirty-eight million, six hundred ninety-eight thousand, five hundred twelve".