15012663312 has 40 divisors (see below), whose sum is σ = 38794087456. Its totient is φ = 5002753536.

The previous prime is 15012663307. The next prime is 15012663317. The reversal of 15012663312 is 21336621051.

It is an interprime number because it is at equal distance from previous prime (15012663307) and next prime (15012663317).

It is a self number, because there is not a number n which added to its sum of digits gives 15012663312.

It is not an unprimeable number, because it can be changed into a prime (15012663317) 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, 126168 + ... + 214344.

Almost surely, 2^15012663312 is an apocalyptic number.

15012663312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15012663312 is an abundant number, since it is smaller than the sum of its proper divisors (23781424144).

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

15012663312 is a wasteful number, since it uses less digits than its factorization.

15012663312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91735 (or 91729 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 15012663312 in words is "fifteen billion, twelve million, six hundred sixty-three thousand, three hundred twelve".