122200211999 has 16 divisors (see below), whose sum is σ = 123486573600. Its totient is φ = 120921091200.

The previous prime is 122200211963. The next prime is 122200212007. The reversal of 122200211999 is 999112002221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122200211999 - 2²⁸ = 121931776543 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 (122200211929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54625709 + ... + 54627945.

It is an arithmetic number, because the mean of its divisors is an integer number (7717910850).

Almost surely, 2^122200211999 is an apocalyptic number.

122200211999 is a deficient number, since it is larger than the sum of its proper divisors (1286361601).

122200211999 is a wasteful number, since it uses less digits than its factorization.

122200211999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610.

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

The spelling of 122200211999 in words is "one hundred twenty-two billion, two hundred million, two hundred eleven thousand, nine hundred ninety-nine".