12453972372 has 48 divisors (see below), whose sum is σ = 32332693120. Its totient is φ = 4145587776.

The previous prime is 12453972361. The next prime is 12453972379. The reversal of 12453972372 is 27327935421.

12453972372 is a `hidden beast` number, since 1 + 24 + 5 + 397 + 237 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453972379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793 + ... + 157824.

Almost surely, 2^12453972372 is an apocalyptic number.

12453972372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12453972372 is an abundant number, since it is smaller than the sum of its proper divisors (19878720748).

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

12453972372 is a wasteful number, since it uses less digits than its factorization.

12453972372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159357 (or 159349 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 12453972372 in words is "twelve billion, four hundred fifty-three million, nine hundred seventy-two thousand, three hundred seventy-two".