12318158047 has 24 divisors (see below), whose sum is σ = 14315143808. Its totient is φ = 10525204800.

The previous prime is 12318157987. The next prime is 12318158051. The reversal of 12318158047 is 74085181321.

It is not a de Polignac number, because 12318158047 - 2¹⁵ = 12318125279 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 (12318158747) 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, 184297 + ... + 242077.

Almost surely, 2^12318158047 is an apocalyptic number.

12318158047 is a deficient number, since it is larger than the sum of its proper divisors (1996985761).

12318158047 is a wasteful number, since it uses less digits than its factorization.

12318158047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57871 (or 57848 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 12318158047 in words is "twelve billion, three hundred eighteen million, one hundred fifty-eight thousand, forty-seven".