12216379179 has 8 divisors (see below), whose sum is σ = 16346472912. Its totient is φ = 8115269120.

The previous prime is 12216379159. The next prime is 12216379199. The reversal of 12216379179 is 97197361221.

12216379179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12216379159) and next prime (12216379199).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12216379179 - 2⁷ = 12216379051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12216379159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7244934 + ... + 7246619.

It is an arithmetic number, because the mean of its divisors is an integer number (2043309114).

Almost surely, 2^12216379179 is an apocalyptic number.

12216379179 is a deficient number, since it is larger than the sum of its proper divisors (4130093733).

12216379179 is a wasteful number, since it uses less digits than its factorization.

12216379179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491837.

The product of its digits is 285768, while the sum is 48.

The spelling of 12216379179 in words is "twelve billion, two hundred sixteen million, three hundred seventy-nine thousand, one hundred seventy-nine".