12560454099 has 24 divisors (see below), whose sum is σ = 18727332624. Its totient is φ = 8107008000.

The previous prime is 12560454083. The next prime is 12560454191. The reversal of 12560454099 is 99045406521.

12560454099 is a `hidden beast` number, since 1 + 2 + 560 + 45 + 40 + 9 + 9 = 666.

It is not a de Polignac number, because 12560454099 - 2⁴ = 12560454083 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12560454899) 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, 81582 + ... + 178259.

It is an arithmetic number, because the mean of its divisors is an integer number (780305526).

Almost surely, 2^12560454099 is an apocalyptic number.

12560454099 is a deficient number, since it is larger than the sum of its proper divisors (6166878525).

12560454099 is a wasteful number, since it uses less digits than its factorization.

12560454099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260019 (or 260016 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 12560454099 in words is "twelve billion, five hundred sixty million, four hundred fifty-four thousand, ninety-nine".