12222020100120 has 32 divisors (see below), whose sum is σ = 36666060300720. Its totient is φ = 3259205360000.

The previous prime is 12222020100113. The next prime is 12222020100209. The reversal of 12222020100120 is 2100102022221.

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 12222020100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50925083631 + ... + 50925083870.

Almost surely, 2^{12222020100120} is an apocalyptic number.

12222020100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222020100120 is an abundant number, since it is smaller than the sum of its proper divisors (24444040200600).

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

12222020100120 is a wasteful number, since it uses less digits than its factorization.

12222020100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101850167515 (or 101850167511 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12222020100120 its reverse (2100102022221), we get a palindrome (14322122122341).

The spelling of 12222020100120 in words is "twelve trillion, two hundred twenty-two billion, twenty million, one hundred thousand, one hundred twenty".