204501012 has 12 divisors (see below), whose sum is σ = 477169056. Its totient is φ = 68167000.

The previous prime is 204501001. The next prime is 204501013. The reversal of 204501012 is 210105402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 204500982 and 204501000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204501013) 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, 8520864 + ... + 8520887.

It is an arithmetic number, because the mean of its divisors is an integer number (39764088).

Almost surely, 2^204501012 is an apocalyptic number.

It is an amenable number.

204501012 is an abundant number, since it is smaller than the sum of its proper divisors (272668044).

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

204501012 is a wasteful number, since it uses less digits than its factorization.

204501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041758 (or 17041756 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 204501012 is about 14300.3850297815. The cubic root of 204501012 is about 589.1580560160.

Adding to 204501012 its reverse (210105402), we get a palindrome (414606414).

The spelling of 204501012 in words is "two hundred four million, five hundred one thousand, twelve".