12915321313999 has 8 divisors (see below), whose sum is σ = 13940929532432. Its totient is φ = 11894301947520.

The previous prime is 12915321313967. The next prime is 12915321314023. The reversal of 12915321313999 is 99931312351921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12915321313999 - 2⁵ = 12915321313967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12915321313949) 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, 1147207137 + ... + 1147218394.

It is an arithmetic number, because the mean of its divisors is an integer number (1742616191554).

Almost surely, 2^{12915321313999} is an apocalyptic number.

12915321313999 is a deficient number, since it is larger than the sum of its proper divisors (1025608218433).

12915321313999 is a wasteful number, since it uses less digits than its factorization.

12915321313999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294425977.

The product of its digits is 3542940, while the sum is 58.

The spelling of 12915321313999 in words is "twelve trillion, nine hundred fifteen billion, three hundred twenty-one million, three hundred thirteen thousand, nine hundred ninety-nine".