122200121999 has 8 divisors (see below), whose sum is σ = 122982505632. Its totient is φ = 121420203520.

The previous prime is 122200121957. The next prime is 122200122001. The reversal of 122200121999 is 999121002221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122200121999 - 2²⁸ = 121931686543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200121909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516779 + ... + 715164.

It is an arithmetic number, because the mean of its divisors is an integer number (15372813204).

Almost surely, 2^122200121999 is an apocalyptic number.

122200121999 is a deficient number, since it is larger than the sum of its proper divisors (782383633).

122200121999 is a wasteful number, since it uses less digits than its factorization.

122200121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232577.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 122200121999 in words is "one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, nine hundred ninety-nine".