12220112021200 has 60 divisors (see below), whose sum is σ = 29538934743328. Its totient is φ = 4858056777600.

The previous prime is 12220112021189. The next prime is 12220112021323. The reversal of 12220112021200 is 212021102221.

It is a happy number.

It is a super-2 number, since 2×12220112021200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93647316 + ... + 93777715.

Almost surely, 2^{12220112021200} is an apocalyptic number.

12220112021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220112021200 is an abundant number, since it is smaller than the sum of its proper divisors (17318822722128).

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

12220112021200 is a wasteful number, since it uses less digits than its factorization.

12220112021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187425212 (or 187425201 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220112021200 its reverse (212021102221), we get a palindrome (12432133123421).

The spelling of 12220112021200 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, two hundred".