204321122012130 has 64 divisors (see below), whose sum is σ = 495820217917440. Its totient is φ = 53881601213376.

The previous prime is 204321122012101. The next prime is 204321122012213. The reversal of 204321122012130 is 31210221123402.

It is a self number, because there is not a number n which added to its sum of digits gives 204321122012130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43761142 + ... + 48204561.

It is an arithmetic number, because the mean of its divisors is an integer number (7747190904960).

Almost surely, 2^{204321122012130} is an apocalyptic number.

204321122012130 is an abundant number, since it is smaller than the sum of its proper divisors (291499095905310).

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

204321122012130 is a wasteful number, since it uses less digits than its factorization.

204321122012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91966535.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 204321122012130 its reverse (31210221123402), we get a palindrome (235531343135532).

The spelling of 204321122012130 in words is "two hundred four trillion, three hundred twenty-one billion, one hundred twenty-two million, twelve thousand, one hundred thirty".