204004203412 has 24 divisors (see below), whose sum is σ = 357911779680. Its totient is φ = 101743867680.

The previous prime is 204004203409. The next prime is 204004203421. The reversal of 204004203412 is 214302400402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081514 + ... + 5121502.

It is an arithmetic number, because the mean of its divisors is an integer number (14912990820).

Almost surely, 2^204004203412 is an apocalyptic number.

It is an amenable number.

204004203412 is a deficient number, since it is larger than the sum of its proper divisors (153907576268).

204004203412 is a wasteful number, since it uses less digits than its factorization.

204004203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191 (or 43189 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 204004203412 its reverse (214302400402), we get a palindrome (418306603814).

The spelling of 204004203412 in words is "two hundred four billion, four million, two hundred three thousand, four hundred twelve".