12315612539907 has 24 divisors (see below), whose sum is σ = 17990749212800. Its totient is φ = 8117564843520.

The previous prime is 12315612539849. The next prime is 12315612539911. The reversal of 12315612539907 is 70993521651321.

It is a happy number.

12315612539907 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 5 + 6 + 12 + 539 + 90 + 7 = 666.

It is not a de Polignac number, because 12315612539907 - 2⁸ = 12315612539651 is a prime.

It is a super-2 number, since 2×12315612539907² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315612539207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6252532 + ... + 7982817.

Almost surely, 2^{12315612539907} is an apocalyptic number.

12315612539907 is a deficient number, since it is larger than the sum of its proper divisors (5675136672893).

12315612539907 is a wasteful number, since it uses less digits than its factorization.

12315612539907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236443 (or 14236440 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 12315612539907 in words is "twelve trillion, three hundred fifteen billion, six hundred twelve million, five hundred thirty-nine thousand, nine hundred seven".