204004065012 has 24 divisors (see below), whose sum is σ = 519283074912. Its totient is φ = 61819413600.

The previous prime is 204004064977. The next prime is 204004065017. The reversal of 204004065012 is 210560400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204004065017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772742539 + ... + 772742802.

It is an arithmetic number, because the mean of its divisors is an integer number (21636794788).

Almost surely, 2^204004065012 is an apocalyptic number.

204004065012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204004065012 is an abundant number, since it is smaller than the sum of its proper divisors (315279009900).

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

204004065012 is a wasteful number, since it uses less digits than its factorization.

204004065012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545485359 (or 1545485357 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 204004065012 its reverse (210560400402), we get a palindrome (414564465414).

The spelling of 204004065012 in words is "two hundred four billion, four million, sixty-five thousand, twelve".