12313837988 has 12 divisors (see below), whose sum is σ = 21762575772. Its totient is φ = 6095959200.

The previous prime is 12313837981. The next prime is 12313837997. The reversal of 12313837988 is 88973831321.

It can be written as a sum of positive squares in 2 ways, for example, as 8943106624 + 3370731364 = 94568^2 + 58058^2 .

It is not an unprimeable number, because it can be changed into a prime (12313837981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15239495 + ... + 15240302.

It is an arithmetic number, because the mean of its divisors is an integer number (1813547981).

Almost surely, 2^12313837988 is an apocalyptic number.

It is an amenable number.

12313837988 is a deficient number, since it is larger than the sum of its proper divisors (9448737784).

12313837988 is a wasteful number, since it uses less digits than its factorization.

12313837988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479902 (or 30479900 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The spelling of 12313837988 in words is "twelve billion, three hundred thirteen million, eight hundred thirty-seven thousand, nine hundred eighty-eight".