12219310079 has 4 divisors (see below), whose sum is σ = 12219588984. Its totient is φ = 12219031176.

The previous prime is 12219309943. The next prime is 12219310111. The reversal of 12219310079 is 97001391221.

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 12219310079 - 2²⁴ = 12202532863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219310379) 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, 57797 + ... + 166670.

It is an arithmetic number, because the mean of its divisors is an integer number (3054897246).

Almost surely, 2^12219310079 is an apocalyptic number.

12219310079 is a deficient number, since it is larger than the sum of its proper divisors (278905).

12219310079 is an equidigital number, since it uses as much as digits as its factorization.

12219310079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278904.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 12219310079 in words is "twelve billion, two hundred nineteen million, three hundred ten thousand, seventy-nine".