12400314432 has 112 divisors (see below), whose sum is σ = 37675718400. Its totient is φ = 3559887360.

The previous prime is 12400314401. The next prime is 12400314497. The reversal of 12400314432 is 23441300421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114382 + ... + 194637.

Almost surely, 2^12400314432 is an apocalyptic number.

12400314432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12400314432 is an abundant number, since it is smaller than the sum of its proper divisors (25275403968).

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

12400314432 is a wasteful number, since it uses less digits than its factorization.

12400314432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309064 (or 309054 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12400314432 its reverse (23441300421), we get a palindrome (35841614853).

The spelling of 12400314432 in words is "twelve billion, four hundred million, three hundred fourteen thousand, four hundred thirty-two".