12318613475 has 48 divisors (see below), whose sum is σ = 18428136000. Its totient is φ = 8155607040.

The previous prime is 12318613471. The next prime is 12318613477. The reversal of 12318613475 is 57431681321.

It is not a de Polignac number, because 12318613475 - 2² = 12318613471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12318613471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223907 + ... + 273443.

It is an arithmetic number, because the mean of its divisors is an integer number (383919500).

Almost surely, 2^12318613475 is an apocalyptic number.

12318613475 is a deficient number, since it is larger than the sum of its proper divisors (6109522525).

12318613475 is an equidigital number, since it uses as much as digits as its factorization.

12318613475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49597 (or 49578 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The spelling of 12318613475 in words is "twelve billion, three hundred eighteen million, six hundred thirteen thousand, four hundred seventy-five".