204321430324212 has 48 divisors (see below), whose sum is σ = 502210840756800. Its totient is φ = 64475148648960.

The previous prime is 204321430324181. The next prime is 204321430324229. The reversal of 204321430324212 is 212423034123402.

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 15 ways as a sum of consecutive naturals, for example, 328913287 + ... + 329533902.

It is an arithmetic number, because the mean of its divisors is an integer number (10462725849100).

Almost surely, 2^{204321430324212} is an apocalyptic number.

It is an amenable number.

204321430324212 is an abundant number, since it is smaller than the sum of its proper divisors (297889410432588).

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

204321430324212 is a wasteful number, since it uses less digits than its factorization.

204321430324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658448576 (or 658448574 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 204321430324212 its reverse (212423034123402), we get a palindrome (416744464447614).

The spelling of 204321430324212 in words is "two hundred four trillion, three hundred twenty-one billion, four hundred thirty million, three hundred twenty-four thousand, two hundred twelve".