12212567479 has 16 divisors (see below), whose sum is σ = 14260795200. Its totient is φ = 10454146080.

The previous prime is 12212567449. The next prime is 12212567513. The reversal of 12212567479 is 97476521221.

It is not a de Polignac number, because 12212567479 - 2⁵ = 12212567447 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 (12212567449) 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, 242109 + ... + 288169.

It is an arithmetic number, because the mean of its divisors is an integer number (891299700).

Almost surely, 2^12212567479 is an apocalyptic number.

12212567479 is a deficient number, since it is larger than the sum of its proper divisors (2048227721).

12212567479 is an frugal number, since it uses more digits than its factorization.

12212567479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46855 (or 46841 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The spelling of 12212567479 in words is "twelve billion, two hundred twelve million, five hundred sixty-seven thousand, four hundred seventy-nine".