204122112 has 48 divisors (see below), whose sum is σ = 544209120. Its totient is φ = 68038656.

The previous prime is 204122101. The next prime is 204122143. The reversal of 204122112 is 211221402.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 204122091 and 204122100.

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, 10468 + ... + 22755.

It is an arithmetic number, because the mean of its divisors is an integer number (11337690).

Almost surely, 2^204122112 is an apocalyptic number.

It is an amenable number.

204122112 is an abundant number, since it is smaller than the sum of its proper divisors (340087008).

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

204122112 is an equidigital number, since it uses as much as digits as its factorization.

204122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33248 (or 33228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 204122112 is about 14287.1309926101. The cubic root of 204122112 is about 588.7939665418.

Adding to 204122112 its reverse (211221402), we get a palindrome (415343514).

The spelling of 204122112 in words is "two hundred four million, one hundred twenty-two thousand, one hundred twelve".