12313211994 has 24 divisors (see below), whose sum is σ = 26749032960. Its totient is φ = 4093572168.

The previous prime is 12313211987. The next prime is 12313212017. The reversal of 12313211994 is 49911231321.

It is a happy number.

12313211994 is a `hidden beast` number, since 1 + 231 + 321 + 19 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895642 + ... + 909285.

It is an arithmetic number, because the mean of its divisors is an integer number (1114543040).

Almost surely, 2^12313211994 is an apocalyptic number.

12313211994 is an abundant number, since it is smaller than the sum of its proper divisors (14435820966).

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

12313211994 is a wasteful number, since it uses less digits than its factorization.

12313211994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805314 (or 1805311 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The spelling of 12313211994 in words is "twelve billion, three hundred thirteen million, two hundred eleven thousand, nine hundred ninety-four".