122012912 has 20 divisors (see below), whose sum is σ = 270171696. Its totient is φ = 52291200.

The previous prime is 122012897. The next prime is 122012923. The reversal of 122012912 is 219210221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544589 + ... + 544812.

Almost surely, 2^122012912 is an apocalyptic number.

It is an amenable number.

122012912 is an abundant number, since it is smaller than the sum of its proper divisors (148158784).

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

122012912 is a wasteful number, since it uses less digits than its factorization.

122012912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089416 (or 1089410 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 122012912 is about 11045.9455004993. The cubic root of 122012912 is about 495.9850628523.

The spelling of 122012912 in words is "one hundred twenty-two million, twelve thousand, nine hundred twelve".