204221140133412 has 96 divisors (see below), whose sum is σ = 491939885364480. Its totient is φ = 65890163888640.

The previous prime is 204221140133371. The next prime is 204221140133453. The reversal of 204221140133412 is 214331041122402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204221140133371) and next prime (204221140133453).

It is a self number, because there is not a number n which added to its sum of digits gives 204221140133412.

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 31 ways as a sum of consecutive naturals, for example, 79595337 + ... + 82121007.

It is an arithmetic number, because the mean of its divisors is an integer number (5124373805880).

Almost surely, 2^{204221140133412} is an apocalyptic number.

It is an amenable number.

204221140133412 is an abundant number, since it is smaller than the sum of its proper divisors (287718745231068).

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

204221140133412 is a wasteful number, since it uses less digits than its factorization.

204221140133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526661 (or 2526659 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204221140133412 its reverse (214331041122402), we get a palindrome (418552181255814).

The spelling of 204221140133412 in words is "two hundred four trillion, two hundred twenty-one billion, one hundred forty million, one hundred thirty-three thousand, four hundred twelve".