122163200842178 has 8 divisors (see below), whose sum is σ = 186702250343868. Its totient is φ = 59929117394224.

The previous prime is 122163200842169. The next prime is 122163200842181. The reversal of 122163200842178 is 871248002361221.

It can be written as a sum of positive squares in 2 ways, for example, as 120832484018689 + 1330716823489 = 10992383^2 + 1153567^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576241513301 + ... + 576241513512.

Almost surely, 2^{122163200842178} is an apocalyptic number.

122163200842178 is a deficient number, since it is larger than the sum of its proper divisors (64539049501690).

122163200842178 is a wasteful number, since it uses less digits than its factorization.

122163200842178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152483026868.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 122163200842178 in words is "one hundred twenty-two trillion, one hundred sixty-three billion, two hundred million, eight hundred forty-two thousand, one hundred seventy-eight".