12308957915 has 8 divisors (see below), whose sum is σ = 14774735040. Its totient is φ = 9844509312.

The previous prime is 12308957893. The next prime is 12308957951. The reversal of 12308957915 is 51975980321.

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 12308957915 - 2¹⁸ = 12308695771 is a prime.

It is a super-2 number, since 2×12308957915² (a number of 21 digits) contains 22 as substring.

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, 311630 + ... + 348899.

It is an arithmetic number, because the mean of its divisors is an integer number (1846841880).

Almost surely, 2^12308957915 is an apocalyptic number.

12308957915 is a deficient number, since it is larger than the sum of its proper divisors (2465777125).

12308957915 is an equidigital number, since it uses as much as digits as its factorization.

12308957915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664261.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 12308957915 in words is "twelve billion, three hundred eight million, nine hundred fifty-seven thousand, nine hundred fifteen".