122204431857 has 32 divisors (see below), whose sum is σ = 177106800640. Its totient is φ = 74667096000.

The previous prime is 122204431807. The next prime is 122204431861. The reversal of 122204431857 is 758134402221.

It is a happy number.

It is not a de Polignac number, because 122204431857 - 2⁶ = 122204431793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122204431807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6247182 + ... + 6266712.

It is an arithmetic number, because the mean of its divisors is an integer number (5534587520).

Almost surely, 2^122204431857 is an apocalyptic number.

It is an amenable number.

122204431857 is a deficient number, since it is larger than the sum of its proper divisors (54902368783).

122204431857 is a wasteful number, since it uses less digits than its factorization.

122204431857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 122204431857 in words is "one hundred twenty-two billion, two hundred four million, four hundred thirty-one thousand, eight hundred fifty-seven".