20000122211200 has 48 divisors (see below), whose sum is σ = 49406551907760. Its totient is φ = 8000048883200.

The previous prime is 20000122211149. The next prime is 20000122211219. The reversal of 20000122211200 is 211222100002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3125015896 + ... + 3125022295.

It is an arithmetic number, because the mean of its divisors is an integer number (1029303164745).

Almost surely, 2^{20000122211200} is an apocalyptic number.

20000122211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000122211200 is an abundant number, since it is smaller than the sum of its proper divisors (29406429696560).

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

20000122211200 is an equidigital number, since it uses as much as digits as its factorization.

20000122211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250038215 (or 6250038198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000122211200 its reverse (211222100002), we get a palindrome (20211344311202).

The spelling of 20000122211200 in words is "twenty trillion, one hundred twenty-two million, two hundred eleven thousand, two hundred".