122222113321200 has 120 divisors (see below), whose sum is σ = 400623243554688. Its totient is φ = 31834596944640.

The previous prime is 122222113321199. The next prime is 122222113321211. The reversal of 122222113321200 is 2123311222221.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1184271204 + ... + 1184374403.

Almost surely, 2^{122222113321200} is an apocalyptic number.

122222113321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222113321200 is an abundant number, since it is smaller than the sum of its proper divisors (278401130233488).

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

122222113321200 is a wasteful number, since it uses less digits than its factorization.

122222113321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368645671 (or 2368645660 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122222113321200 its reverse (2123311222221), we get a palindrome (124345424543421).

The spelling of 122222113321200 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred thirteen million, three hundred twenty-one thousand, two hundred".