204512122 has 8 divisors (see below), whose sum is σ = 309582900. Its totient is φ = 101317824.

The previous prime is 204512071. The next prime is 204512149. The reversal of 204512122 is 221215402.

204512122 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 2 ways, for example, as 194072761 + 10439361 = 13931^2 + 3231^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 204512122.

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, 468847 + ... + 469282.

Almost surely, 2^204512122 is an apocalyptic number.

204512122 is a deficient number, since it is larger than the sum of its proper divisors (105070778).

204512122 is a wasteful number, since it uses less digits than its factorization.

204512122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938240.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 204512122 is about 14300.7734755852. The cubic root of 204512122 is about 589.1687249566.

Adding to 204512122 its reverse (221215402), we get a palindrome (425727524).

The spelling of 204512122 in words is "two hundred four million, five hundred twelve thousand, one hundred twenty-two".