12031630732 has 12 divisors (see below), whose sum is σ = 22969476936. Its totient is φ = 5468923040.

The previous prime is 12031630703. The next prime is 12031630771. The reversal of 12031630732 is 23703613021.

It is a self number, because there is not a number n which added to its sum of digits gives 12031630732.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136723033 + ... + 136723120.

It is an arithmetic number, because the mean of its divisors is an integer number (1914123078).

Almost surely, 2^12031630732 is an apocalyptic number.

It is an amenable number.

12031630732 is a deficient number, since it is larger than the sum of its proper divisors (10937846204).

12031630732 is a wasteful number, since it uses less digits than its factorization.

12031630732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273446168 (or 273446166 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 12031630732 in words is "twelve billion, thirty-one million, six hundred thirty thousand, seven hundred thirty-two".