204817304312 has 8 divisors (see below), whose sum is σ = 384032445600. Its totient is φ = 102408652152.

The previous prime is 204817304311. The next prime is 204817304371. The reversal of 204817304312 is 213403718402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204817304311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12801081512 + ... + 12801081527.

It is an arithmetic number, because the mean of its divisors is an integer number (48004055700).

Almost surely, 2^204817304312 is an apocalyptic number.

It is an amenable number.

204817304312 is a deficient number, since it is larger than the sum of its proper divisors (179215141288).

204817304312 is a wasteful number, since it uses less digits than its factorization.

204817304312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602163045 (or 25602163041 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 204817304312 in words is "two hundred four billion, eight hundred seventeen million, three hundred four thousand, three hundred twelve".