12313132432 has 40 divisors (see below), whose sum is σ = 25265543616. Its totient is φ = 5800983936.

The previous prime is 12313132393. The next prime is 12313132511. The reversal of 12313132432 is 23423131321.

It is a super-2 number, since 2×12313132432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12313132397 and 12313132406.

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, 225043 + ... + 274354.

Almost surely, 2^12313132432 is an apocalyptic number.

It is an amenable number.

12313132432 is an abundant number, since it is smaller than the sum of its proper divisors (12952411184).

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

12313132432 is a wasteful number, since it uses less digits than its factorization.

12313132432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499495 (or 499489 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 12313132432 its reverse (23423131321), we get a palindrome (35736263753).

The spelling of 12313132432 in words is "twelve billion, three hundred thirteen million, one hundred thirty-two thousand, four hundred thirty-two".