122028868242 has 54 divisors (see below), whose sum is σ = 266783763519. Its totient is φ = 40312195200.

The previous prime is 122028868237. The next prime is 122028868267. The reversal of 122028868242 is 242868820221.

122028868242 is a `hidden beast` number, since 122 + 0 + 288 + 6 + 8 + 242 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 109739150361 + 12289717881 = 331269^2 + 110859^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247011.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 203042742 + ... + 203043342.

Almost surely, 2^122028868242 is an apocalyptic number.

122028868242 is an abundant number, since it is smaller than the sum of its proper divisors (144754895277).

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

122028868242 is an frugal number, since it uses more digits than its factorization.

122028868242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 122028868242 in words is "one hundred twenty-two billion, twenty-eight million, eight hundred sixty-eight thousand, two hundred forty-two".