204312122 has 8 divisors (see below), whose sum is σ = 350249376. Its totient is φ = 87562332.

The previous prime is 204312109. The next prime is 204312131. The reversal of 204312122 is 221213402.

204312122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204312122² = 83486886392285768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204312122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7296848 + ... + 7296875.

It is an arithmetic number, because the mean of its divisors is an integer number (43781172).

Almost surely, 2^204312122 is an apocalyptic number.

204312122 is a deficient number, since it is larger than the sum of its proper divisors (145937254).

204312122 is a wasteful number, since it uses less digits than its factorization.

204312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14593732.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204312122 is about 14293.7791363936. The cubic root of 204312122 is about 588.9766056566.

Adding to 204312122 its reverse (221213402), we get a palindrome (425525524).

The spelling of 204312122 in words is "two hundred four million, three hundred twelve thousand, one hundred twenty-two".