122618333992 has 128 divisors (see below), whose sum is σ = 306632874240. Its totient is φ = 44499271680.

The previous prime is 122618333947. The next prime is 122618334017. The reversal of 122618333992 is 299333816221.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955428 + ... + 1076140.

It is an arithmetic number, because the mean of its divisors is an integer number (2395569330).

Almost surely, 2^122618333992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122618333992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153316437120).

122618333992 is an abundant number, since it is smaller than the sum of its proper divisors (184014540248).

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

122618333992 is a wasteful number, since it uses less digits than its factorization.

122618333992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120851 (or 120847 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The spelling of 122618333992 in words is "one hundred twenty-two billion, six hundred eighteen million, three hundred thirty-three thousand, nine hundred ninety-two".