12222564999 has 16 divisors (see below), whose sum is σ = 16485868800. Its totient is φ = 8053886016.

The previous prime is 12222564979. The next prime is 12222565007. The reversal of 12222564999 is 99946522221.

It is not a de Polignac number, because 12222564999 - 2¹⁹ = 12222040711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222564979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918012 + ... + 931230.

It is an arithmetic number, because the mean of its divisors is an integer number (1030366800).

Almost surely, 2^12222564999 is an apocalyptic number.

12222564999 is a deficient number, since it is larger than the sum of its proper divisors (4263303801).

12222564999 is a wasteful number, since it uses less digits than its factorization.

12222564999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16774.

The product of its digits is 1399680, while the sum is 51.

The spelling of 12222564999 in words is "twelve billion, two hundred twenty-two million, five hundred sixty-four thousand, nine hundred ninety-nine".