212995122 has 32 divisors (see below), whose sum is σ = 431827200. Its totient is φ = 70030848.

The previous prime is 212995099. The next prime is 212995147. The reversal of 212995122 is 221599212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 295879 + ... + 296597.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2^212995122 is an apocalyptic number.

212995122 is an abundant number, since it is smaller than the sum of its proper divisors (218832078).

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

212995122 is a wasteful number, since it uses less digits than its factorization.

212995122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

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

The square root of 212995122 is about 14594.3524008433. The cubic root of 212995122 is about 597.2047029701.

The spelling of 212995122 in words is "two hundred twelve million, nine hundred ninety-five thousand, one hundred twenty-two".