204012112 has 20 divisors (see below), whose sum is σ = 396152596. Its totient is φ = 101779200.

The previous prime is 204012103. The next prime is 204012113. The reversal of 204012112 is 211210402.

It is a happy number.

204012112 is digitally balanced in base 3, because in such base 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 180741136 + 23270976 = 13444^2 + 4824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204012092 and 204012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204012113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6639 + ... + 21262.

Almost surely, 2^204012112 is an apocalyptic number.

It is an amenable number.

204012112 is a deficient number, since it is larger than the sum of its proper divisors (192140484).

204012112 is a wasteful number, since it uses less digits than its factorization.

204012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366 (or 28360 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 204012112 is about 14283.2808556018. The cubic root of 204012112 is about 588.6881818665.

Adding to 204012112 its reverse (211210402), we get a palindrome (415222514).

The spelling of 204012112 in words is "two hundred four million, twelve thousand, one hundred twelve".