122566273228 has 12 divisors (see below), whose sum is σ = 245132546512. Its totient is φ = 52528402800.

The previous prime is 122566273211. The next prime is 122566273231. The reversal of 122566273228 is 822372665221.

122566273228 is an admirable number.

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, 2188683423 + ... + 2188683478.

Almost surely, 2^122566273228 is an apocalyptic number.

It is an amenable number.

122566273228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122566273228 is a wasteful number, since it uses less digits than its factorization.

122566273228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377366912 (or 4377366910 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 122566273228 in words is "one hundred twenty-two billion, five hundred sixty-six million, two hundred seventy-three thousand, two hundred twenty-eight".