12565124232 has 32 divisors (see below), whose sum is σ = 33066117600. Its totient is φ = 3967933824.

The previous prime is 12565124179. The next prime is 12565124233. The reversal of 12565124232 is 23242156521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12565124193 and 12565124202.

It is not an unprimeable number, because it can be changed into a prime (12565124233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13777093 + ... + 13778004.

It is an arithmetic number, because the mean of its divisors is an integer number (1033316175).

Almost surely, 2^12565124232 is an apocalyptic number.

12565124232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12565124232 is an abundant number, since it is smaller than the sum of its proper divisors (20500993368).

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

12565124232 is a wasteful number, since it uses less digits than its factorization.

12565124232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27555125 (or 27555121 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The spelling of 12565124232 in words is "twelve billion, five hundred sixty-five million, one hundred twenty-four thousand, two hundred thirty-two".