22200123120 has 80 divisors (see below), whose sum is σ = 78651870720. Its totient is φ = 5074313472.

The previous prime is 22200123053. The next prime is 22200123131. The reversal of 22200123120 is 2132100222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22200123120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6605500 + ... + 6608859.

It is an arithmetic number, because the mean of its divisors is an integer number (983148384).

Almost surely, 2^22200123120 is an apocalyptic number.

22200123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200123120 is an abundant number, since it is smaller than the sum of its proper divisors (56451747600).

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

22200123120 is a wasteful number, since it uses less digits than its factorization.

22200123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214382 (or 13214376 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22200123120 its reverse (2132100222), we get a palindrome (24332223342).

The spelling of 22200123120 in words is "twenty-two billion, two hundred million, one hundred twenty-three thousand, one hundred twenty".