122002212194 has 4 divisors (see below), whose sum is σ = 183003318294. Its totient is φ = 61001106096.

The previous prime is 122002212181. The next prime is 122002212209. The reversal of 122002212194 is 491212200221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 91998775969 + 30003436225 = 303313^2 + 173215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500553047 + ... + 30500553050.

Almost surely, 2^122002212194 is an apocalyptic number.

122002212194 is a deficient number, since it is larger than the sum of its proper divisors (61001106100).

122002212194 is an equidigital number, since it uses as much as digits as its factorization.

122002212194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61001106099.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 122002212194 in words is "one hundred twenty-two billion, two million, two hundred twelve thousand, one hundred ninety-four".