12225431542324 has 96 divisors (see below), whose sum is σ = 28726801754112. Its totient is φ = 4396557744000.

The previous prime is 12225431542321. The next prime is 12225431542447. The reversal of 12225431542324 is 42324513452221.

It is a super-2 number, since 2×12225431542324² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225431542321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108816619 + ... + 108928909.

It is an arithmetic number, because the mean of its divisors is an integer number (299237518272).

Almost surely, 2^{12225431542324} is an apocalyptic number.

12225431542324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12225431542324 is an abundant number, since it is smaller than the sum of its proper divisors (16501370211788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12225431542324 is a wasteful number, since it uses less digits than its factorization.

12225431542324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139517 (or 139515 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

Adding to 12225431542324 its reverse (42324513452221), we get a palindrome (54549944994545).

The spelling of 12225431542324 in words is "twelve trillion, two hundred twenty-five billion, four hundred thirty-one million, five hundred forty-two thousand, three hundred twenty-four".