12315816712 has 32 divisors (see below), whose sum is σ = 23266152000. Its totient is φ = 6111578304.

The previous prime is 12315816703. The next prime is 12315816743. The reversal of 12315816712 is 21761851321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764253 + ... + 1771219.

It is an arithmetic number, because the mean of its divisors is an integer number (727067250).

Almost surely, 2^12315816712 is an apocalyptic number.

It is an amenable number.

12315816712 is a deficient number, since it is larger than the sum of its proper divisors (10950335288).

12315816712 is a wasteful number, since it uses less digits than its factorization.

12315816712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605 (or 8601 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The spelling of 12315816712 in words is "twelve billion, three hundred fifteen million, eight hundred sixteen thousand, seven hundred twelve".