22012100012120 has 64 divisors (see below), whose sum is σ = 50049784033920. Its totient is φ = 8712203444224.

The previous prime is 22012100012081. The next prime is 22012100012131. The reversal of 22012100012120 is 2121000121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012100012095 and 22012100012104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425824 + ... + 6786543.

It is an arithmetic number, because the mean of its divisors is an integer number (782027875530).

Almost surely, 2^{22012100012120} is an apocalyptic number.

22012100012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012100012120 is an abundant number, since it is smaller than the sum of its proper divisors (28037684021800).

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

22012100012120 is a wasteful number, since it uses less digits than its factorization.

22012100012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213084 (or 8213080 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012100012120 its reverse (2121000121022), we get a palindrome (24133100133142).

The spelling of 22012100012120 in words is "twenty-two trillion, twelve billion, one hundred million, twelve thousand, one hundred twenty".