12187598679 has 24 divisors (see below), whose sum is σ = 18027547200. Its totient is φ = 7932038400.

The previous prime is 12187598663. The next prime is 12187598713. The reversal of 12187598679 is 97689578121.

It is not a de Polignac number, because 12187598679 - 2⁴ = 12187598663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12187598779) 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, 33022 + ... + 159579.

It is an arithmetic number, because the mean of its divisors is an integer number (751147800).

Almost surely, 2^12187598679 is an apocalyptic number.

12187598679 is a deficient number, since it is larger than the sum of its proper divisors (5839948521).

12187598679 is a wasteful number, since it uses less digits than its factorization.

12187598679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192775 (or 192772 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 63.

The spelling of 12187598679 in words is "twelve billion, one hundred eighty-seven million, five hundred ninety-eight thousand, six hundred seventy-nine".