12220424432 has 40 divisors (see below), whose sum is σ = 25195932000. Its totient is φ = 5721864192.

The previous prime is 12220424399. The next prime is 12220424441. The reversal of 12220424432 is 23442402221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58757 + ... + 167012.

It is an arithmetic number, because the mean of its divisors is an integer number (629898300).

Almost surely, 2^12220424432 is an apocalyptic number.

It is an amenable number.

12220424432 is an abundant number, since it is smaller than the sum of its proper divisors (12975507568).

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

12220424432 is a wasteful number, since it uses less digits than its factorization.

12220424432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225993 (or 225987 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12220424432 its reverse (23442402221), we get a palindrome (35662826653).

The spelling of 12220424432 in words is "twelve billion, two hundred twenty million, four hundred twenty-four thousand, four hundred thirty-two".