2312156386756 has 24 divisors (see below), whose sum is σ = 4098481291520. Its totient is φ = 1141168796352.

The previous prime is 2312156386741. The next prime is 2312156386817. The reversal of 2312156386756 is 6576836512132.

It is a super-2 number, since 2×2312156386756² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312156386697 and 2312156386706.

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, 431425 + ... + 2193271.

Almost surely, 2^{2312156386756} is an apocalyptic number.

It is an amenable number.

2312156386756 is a deficient number, since it is larger than the sum of its proper divisors (1786324904764).

2312156386756 is a wasteful number, since it uses less digits than its factorization.

2312156386756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766083 (or 1766081 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 2312156386756 in words is "two trillion, three hundred twelve billion, one hundred fifty-six million, three hundred eighty-six thousand, seven hundred fifty-six".