12222431013 has 24 divisors (see below), whose sum is σ = 17659950912. Its totient is φ = 7515800448.

The previous prime is 12222430991. The next prime is 12222431021. The reversal of 12222431013 is 31013422221.

It is not a de Polignac number, because 12222431013 - 2³² = 7927463717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222431033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718120 + ... + 734942.

It is an arithmetic number, because the mean of its divisors is an integer number (735831288).

Almost surely, 2^12222431013 is an apocalyptic number.

12222431013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12222431013 is a deficient number, since it is larger than the sum of its proper divisors (5437519899).

12222431013 is a wasteful number, since it uses less digits than its factorization.

12222431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285 (or 18272 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12222431013 its reverse (31013422221), we get a palindrome (43235853234).

The spelling of 12222431013 in words is "twelve billion, two hundred twenty-two million, four hundred thirty-one thousand, thirteen".