122994312 has 128 divisors (see below), whose sum is σ = 365568000. Its totient is φ = 34461504.

The previous prime is 122994299. The next prime is 122994323. The reversal of 122994312 is 213499221.

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, 551433 + ... + 551655.

It is an arithmetic number, because the mean of its divisors is an integer number (2856000).

Almost surely, 2^122994312 is an apocalyptic number.

122994312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122994312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182784000).

122994312 is an abundant number, since it is smaller than the sum of its proper divisors (242573688).

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

122994312 is a wasteful number, since it uses less digits than its factorization.

122994312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 302 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 122994312 is about 11090.2800686006. The cubic root of 122994312 is about 497.3113172185.

The spelling of 122994312 in words is "one hundred twenty-two million, nine hundred ninety-four thousand, three hundred twelve".