12174424438 has 24 divisors (see below), whose sum is σ = 21253462776. Its totient is φ = 5208308160.

The previous prime is 12174424411. The next prime is 12174424441. The reversal of 12174424438 is 83442447121.

It is a super-2 number, since 2×12174424438² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12174424438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475520 + ... + 1483747.

It is an arithmetic number, because the mean of its divisors is an integer number (885560949).

Almost surely, 2^12174424438 is an apocalyptic number.

12174424438 is a deficient number, since it is larger than the sum of its proper divisors (9079038338).

12174424438 is a wasteful number, since it uses less digits than its factorization.

12174424438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959308 (or 2959297 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The spelling of 12174424438 in words is "twelve billion, one hundred seventy-four million, four hundred twenty-four thousand, four hundred thirty-eight".