12222509879 has 8 divisors (see below), whose sum is σ = 12788125152. Its totient is φ = 11659744800.

The previous prime is 12222509851. The next prime is 12222509881. The reversal of 12222509879 is 97890522221.

12222509879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12222509879 - 2³² = 7927542583 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 (12222509179) 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, 703772 + ... + 720929.

It is an arithmetic number, because the mean of its divisors is an integer number (1598515644).

Almost surely, 2^12222509879 is an apocalyptic number.

12222509879 is a deficient number, since it is larger than the sum of its proper divisors (565615273).

12222509879 is a wasteful number, since it uses less digits than its factorization.

12222509879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425097.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 12222509879 in words is "twelve billion, two hundred twenty-two million, five hundred nine thousand, eight hundred seventy-nine".