22012304124 has 12 divisors (see below), whose sum is σ = 51362042984. Its totient is φ = 7337434704.

The previous prime is 22012304113. The next prime is 22012304131. The reversal of 22012304124 is 42140321022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22012304124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917179327 + ... + 917179350.

Almost surely, 2^22012304124 is an apocalyptic number.

It is an amenable number.

22012304124 is an abundant number, since it is smaller than the sum of its proper divisors (29349738860).

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

22012304124 is a wasteful number, since it uses less digits than its factorization.

22012304124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834358684 (or 1834358682 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22012304124 its reverse (42140321022), we get a palindrome (64152625146).

The spelling of 22012304124 in words is "twenty-two billion, twelve million, three hundred four thousand, one hundred twenty-four".