12179172659 has 4 divisors (see below), whose sum is σ = 12599144160. Its totient is φ = 11759201160.

The previous prime is 12179172641. The next prime is 12179172671. The reversal of 12179172659 is 95627197121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12179172659 - 2¹² = 12179168563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12179172679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209985707 + ... + 209985764.

It is an arithmetic number, because the mean of its divisors is an integer number (3149786040).

Almost surely, 2^12179172659 is an apocalyptic number.

12179172659 is a deficient number, since it is larger than the sum of its proper divisors (419971501).

12179172659 is an equidigital number, since it uses as much as digits as its factorization.

12179172659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419971500.

The product of its digits is 476280, while the sum is 50.

The spelling of 12179172659 in words is "twelve billion, one hundred seventy-nine million, one hundred seventy-two thousand, six hundred fifty-nine".