12153566232 has 48 divisors (see below), whose sum is σ = 33473817000. Its totient is φ = 3982523136.

The previous prime is 12153566197. The next prime is 12153566233. The reversal of 12153566232 is 23266535121.

12153566232 is a `hidden beast` number, since 1 + 21 + 5 + 3 + 5 + 6 + 623 + 2 = 666.

It is a super-2 number, since 2×12153566232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153566233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426257 + ... + 1434752.

Almost surely, 2^12153566232 is an apocalyptic number.

12153566232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12153566232 is an abundant number, since it is smaller than the sum of its proper divisors (21320250768).

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

12153566232 is a wasteful number, since it uses less digits than its factorization.

12153566232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861080 (or 2861073 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 12153566232 in words is "twelve billion, one hundred fifty-three million, five hundred sixty-six thousand, two hundred thirty-two".