204412122 has 12 divisors (see below), whose sum is σ = 442892970. Its totient is φ = 68137368.

The previous prime is 204412121. The next prime is 204412139. The reversal of 204412122 is 221214402.

204412122 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190191681 + 14220441 = 13791^2 + 3771^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11356229 = 204412122 / (2 + 0 + 4 + 4 + 1 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 204412095 and 204412104.

It is not an unprimeable number, because it can be changed into a prime (204412121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5678097 + ... + 5678132.

Almost surely, 2^204412122 is an apocalyptic number.

204412122 is an abundant number, since it is smaller than the sum of its proper divisors (238480848).

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

204412122 is a wasteful number, since it uses less digits than its factorization.

204412122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356237 (or 11356234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204412122 is about 14297.2767337000. The cubic root of 204412122 is about 589.0726809710.

Adding to 204412122 its reverse (221214402), we get a palindrome (425626524).

The spelling of 204412122 in words is "two hundred four million, four hundred twelve thousand, one hundred twenty-two".