12313056216 has 32 divisors (see below), whose sum is σ = 30786762240. Its totient is φ = 4103802528.

The previous prime is 12313056199. The next prime is 12313056311. The reversal of 12313056216 is 61265031321.

It is a super-2 number, since 2×12313056216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 174565 + ... + 234731.

It is an arithmetic number, because the mean of its divisors is an integer number (962086320).

Almost surely, 2^12313056216 is an apocalyptic number.

It is an amenable number.

12313056216 is an abundant number, since it is smaller than the sum of its proper divisors (18473706024).

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

12313056216 is a wasteful number, since it uses less digits than its factorization.

12313056216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68703 (or 68699 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 12313056216 its reverse (61265031321), we get a palindrome (73578087537).

The spelling of 12313056216 in words is "twelve billion, three hundred thirteen million, fifty-six thousand, two hundred sixteen".