22400000012124 has 72 divisors (see below), whose sum is σ = 64735449717120. Its totient is φ = 6397592892192.

The previous prime is 22400000012113. The next prime is 22400000012147. The reversal of 22400000012124 is 42121000000422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22400000012097 and 22400000012106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16044654 + ... + 17384789.

Almost surely, 2^{22400000012124} is an apocalyptic number.

It is an amenable number.

22400000012124 is an abundant number, since it is smaller than the sum of its proper divisors (42335449704996).

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

22400000012124 is a wasteful number, since it uses less digits than its factorization.

22400000012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432119 (or 33432114 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22400000012124 its reverse (42121000000422), we get a palindrome (64521000012546).

The spelling of 22400000012124 in words is "twenty-two trillion, four hundred billion, twelve thousand, one hundred twenty-four".