12165256232 has 32 divisors (see below), whose sum is σ = 23820324480. Its totient is φ = 5813586240.

The previous prime is 12165256177. The next prime is 12165256237. The reversal of 12165256232 is 23265256121.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12165256192 and 12165256201.

It is not an unprimeable number, because it can be changed into a prime (12165256237) 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, 214382 + ... + 265122.

It is an arithmetic number, because the mean of its divisors is an integer number (744385140).

Almost surely, 2^12165256232 is an apocalyptic number.

It is an amenable number.

12165256232 is a deficient number, since it is larger than the sum of its proper divisors (11655068248).

12165256232 is a wasteful number, since it uses less digits than its factorization.

12165256232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52073 (or 52069 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The spelling of 12165256232 in words is "twelve billion, one hundred sixty-five million, two hundred fifty-six thousand, two hundred thirty-two".