12220112200020 has 96 divisors (see below), whose sum is σ = 34374172210560. Its totient is φ = 3243696637440.

The previous prime is 12220112200007. The next prime is 12220112200091. The reversal of 12220112200020 is 2000221102221.

12220112200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12220112200020² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10926774 + ... + 11993106.

It is an arithmetic number, because the mean of its divisors is an integer number (358064293860).

Almost surely, 2^{12220112200020} is an apocalyptic number.

12220112200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220112200020 is an abundant number, since it is smaller than the sum of its proper divisors (22154060010540).

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

12220112200020 is a wasteful number, since it uses less digits than its factorization.

12220112200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067225 (or 1067223 counting only the distinct ones).

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

Adding to 12220112200020 its reverse (2000221102221), we get a palindrome (14220333302241).

The spelling of 12220112200020 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, two hundred thousand, twenty".