12665056360 has 64 divisors (see below), whose sum is σ = 31101796800. Its totient is φ = 4603276800.

The previous prime is 12665056259. The next prime is 12665056361. The reversal of 12665056360 is 6365056621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (12665056361) 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, 1129180 + ... + 1140340.

It is an arithmetic number, because the mean of its divisors is an integer number (485965575).

Almost surely, 2^12665056360 is an apocalyptic number.

12665056360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12665056360 is an abundant number, since it is smaller than the sum of its proper divisors (18436740440).

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

12665056360 is a wasteful number, since it uses less digits than its factorization.

12665056360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762 (or 13758 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 12665056360 in words is "twelve billion, six hundred sixty-five million, fifty-six thousand, three hundred sixty".