122995212 has 12 divisors (see below), whose sum is σ = 286988856. Its totient is φ = 40998400.

The previous prime is 122995211. The next prime is 122995219. The reversal of 122995212 is 212599221.

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

It is not an unprimeable number, because it can be changed into a prime (122995211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124789 + ... + 5124812.

It is an arithmetic number, because the mean of its divisors is an integer number (23915738).

Almost surely, 2^122995212 is an apocalyptic number.

122995212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122995212 is an abundant number, since it is smaller than the sum of its proper divisors (163993644).

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

122995212 is a wasteful number, since it uses less digits than its factorization.

122995212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249608 (or 10249606 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 122995212 is about 11090.3206445982. The cubic root of 122995212 is about 497.3125302261.

The spelling of 122995212 in words is "one hundred twenty-two million, nine hundred ninety-five thousand, two hundred twelve".