122211001200 has 60 divisors (see below), whose sum is σ = 391482577688. Its totient is φ = 32589600000.

The previous prime is 122211001141. The next prime is 122211001223. The reversal of 122211001200 is 2100112221.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 50920051 + ... + 50922450.

Almost surely, 2^122211001200 is an apocalyptic number.

122211001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211001200 is an abundant number, since it is smaller than the sum of its proper divisors (269271576488).

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

122211001200 is a wasteful number, since it uses less digits than its factorization.

122211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101842522 (or 101842511 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122211001200 its reverse (2100112221), we get a palindrome (124311113421).

The spelling of 122211001200 in words is "one hundred twenty-two billion, two hundred eleven million, one thousand, two hundred".