12650865832 has 16 divisors (see below), whose sum is σ = 25876771200. Its totient is φ = 5750393520.

The previous prime is 12650865769. The next prime is 12650865833. The reversal of 12650865832 is 23856805621.

It is not an unprimeable number, because it can be changed into a prime (12650865833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71879832 + ... + 71880007.

It is an arithmetic number, because the mean of its divisors is an integer number (1617298200).

Almost surely, 2^12650865832 is an apocalyptic number.

It is an amenable number.

12650865832 is an abundant number, since it is smaller than the sum of its proper divisors (13225905368).

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

12650865832 is a wasteful number, since it uses less digits than its factorization.

12650865832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143759856 (or 143759852 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 12650865832 in words is "twelve billion, six hundred fifty million, eight hundred sixty-five thousand, eight hundred thirty-two".