122818244628 has 12 divisors (see below), whose sum is σ = 286575904160. Its totient is φ = 40939414872.

The previous prime is 122818244543. The next prime is 122818244651. The reversal of 122818244628 is 826442818221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 5117426848 + ... + 5117426871.

Almost surely, 2^122818244628 is an apocalyptic number.

It is an amenable number.

122818244628 is an abundant number, since it is smaller than the sum of its proper divisors (163757659532).

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

122818244628 is a wasteful number, since it uses less digits than its factorization.

122818244628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234853726 (or 10234853724 counting only the distinct ones).

The product of its digits is 786432, while the sum is 48.

It can be divided in two parts, 1228182 and 44628, that added together give a triangular number (1272810 = T₁₅₉₅).

The spelling of 122818244628 in words is "one hundred twenty-two billion, eight hundred eighteen million, two hundred forty-four thousand, six hundred twenty-eight".