12718513899 has 96 divisors (see below), whose sum is σ = 23219356160. Its totient is φ = 6529227264.

The previous prime is 12718513867. The next prime is 12718513901. The reversal of 12718513899 is 99831581721.

12718513899 is a `hidden beast` number, since 1 + 27 + 18 + 513 + 8 + 99 = 666.

It is not a de Polignac number, because 12718513899 - 2⁵ = 12718513867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12718513099) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14403312 + ... + 14404194.

Almost surely, 2^12718513899 is an apocalyptic number.

12718513899 is a deficient number, since it is larger than the sum of its proper divisors (10500842261).

12718513899 is a wasteful number, since it uses less digits than its factorization.

12718513899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1358 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The spelling of 12718513899 in words is "twelve billion, seven hundred eighteen million, five hundred thirteen thousand, eight hundred ninety-nine".