122818434228 has 36 divisors (see below), whose sum is σ = 354808810720. Its totient is φ = 35090981136.

The previous prime is 122818434227. The next prime is 122818434259. The reversal of 122818434228 is 822434818221.

122818434228 is a `hidden beast` number, since 1 + 2 + 281 + 8 + 4 + 342 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122818434227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243687118 + ... + 243687621.

Almost surely, 2^122818434228 is an apocalyptic number.

122818434228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122818434228 is an abundant number, since it is smaller than the sum of its proper divisors (231990376492).

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

122818434228 is a wasteful number, since it uses less digits than its factorization.

122818434228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487374756 (or 487374751 counting only the distinct ones).

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

The spelling of 122818434228 in words is "one hundred twenty-two billion, eight hundred eighteen million, four hundred thirty-four thousand, two hundred twenty-eight".