12313012112 has 20 divisors (see below), whose sum is σ = 23981369856. Its totient is φ = 6124271520.

The previous prime is 12313012097. The next prime is 12313012147. The reversal of 12313012112 is 21121031321.

It is a super-2 number, since 2×12313012112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011508 + ... + 2017619.

Almost surely, 2^12313012112 is an apocalyptic number.

It is an amenable number.

12313012112 is a deficient number, since it is larger than the sum of its proper divisors (11668357744).

12313012112 is a wasteful number, since it uses less digits than its factorization.

12313012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029326 (or 4029320 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12313012112 its reverse (21121031321), we get a palindrome (33434043433).

The spelling of 12313012112 in words is "twelve billion, three hundred thirteen million, twelve thousand, one hundred twelve".