12210021010120 has 32 divisors (see below), whose sum is σ = 27493250140800. Its totient is φ = 4880327894208.

The previous prime is 12210021010111. The next prime is 12210021010129. The reversal of 12210021010120 is 2101012001221.

It is an interprime number because it is at equal distance from previous prime (12210021010111) and next prime (12210021010129).

It is a super-2 number, since 2×12210021010120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12210021010120.

It is not an unprimeable number, because it can be changed into a prime (12210021010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114962190 + ... + 115068349.

It is an arithmetic number, because the mean of its divisors is an integer number (859164066900).

Almost surely, 2^{12210021010120} is an apocalyptic number.

12210021010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210021010120 is an abundant number, since it is smaller than the sum of its proper divisors (15283229130680).

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

12210021010120 is a wasteful number, since it uses less digits than its factorization.

12210021010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230031877 (or 230031873 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210021010120 its reverse (2101012001221), we get a palindrome (14311033011341).

The spelling of 12210021010120 in words is "twelve trillion, two hundred ten billion, twenty-one million, ten thousand, one hundred twenty".