12275765632 has 64 divisors (see below), whose sum is σ = 27723049200. Its totient is φ = 5367527424.

The previous prime is 12275765617. The next prime is 12275765633. The reversal of 12275765632 is 23656757221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275765633) 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, 162523 + ... + 225754.

Almost surely, 2^12275765632 is an apocalyptic number.

It is an amenable number.

12275765632 is an abundant number, since it is smaller than the sum of its proper divisors (15447283568).

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

12275765632 is a wasteful number, since it uses less digits than its factorization.

12275765632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388323 (or 388311 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The spelling of 12275765632 in words is "twelve billion, two hundred seventy-five million, seven hundred sixty-five thousand, six hundred thirty-two".