204104202012 has 72 divisors (see below), whose sum is σ = 528570858816. Its totient is φ = 66376957824.

The previous prime is 204104202011. The next prime is 204104202013. The reversal of 204104202012 is 210202401402.

204104202012 is a `hidden beast` number, since 2 + 0 + 41 + 0 + 420 + 201 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (204104202011) and next prime (204104202013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204104202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346098 + ... + 726630.

It is an arithmetic number, because the mean of its divisors is an integer number (7341261928).

Almost surely, 2^204104202012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204104202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264285429408).

204104202012 is an abundant number, since it is smaller than the sum of its proper divisors (324466656804).

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

204104202012 is a wasteful number, since it uses less digits than its factorization.

204104202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380907 (or 380902 counting only the distinct ones).

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

Adding to 204104202012 its reverse (210202401402), we get a palindrome (414306603414).

The spelling of 204104202012 in words is "two hundred four billion, one hundred four million, two hundred two thousand, twelve".