12318306355 has 16 divisors (see below), whose sum is σ = 14853817728. Its totient is φ = 9806832000.

The previous prime is 12318306349. The next prime is 12318306367. The reversal of 12318306355 is 55360381321.

It is not a de Polignac number, because 12318306355 - 2⁵ = 12318306323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270225 + ... + 1279885.

It is an arithmetic number, because the mean of its divisors is an integer number (928363608).

Almost surely, 2^12318306355 is an apocalyptic number.

12318306355 is a deficient number, since it is larger than the sum of its proper divisors (2535511373).

12318306355 is an equidigital number, since it uses as much as digits as its factorization.

12318306355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 12318306355 its reverse (55360381321), we get a palindrome (67678687676).

The spelling of 12318306355 in words is "twelve billion, three hundred eighteen million, three hundred six thousand, three hundred fifty-five".