204230121421244 has 24 divisors (see below), whose sum is σ = 363812917910400. Its totient is φ = 100286930897840.

The previous prime is 204230121421237. The next prime is 204230121421289. The reversal of 204230121421244 is 442124121032402.

It is a self number, because there is not a number n which added to its sum of digits gives 204230121421244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419437514 + ... + 419924145.

It is an arithmetic number, because the mean of its divisors is an integer number (15158871579600).

Almost surely, 2^{204230121421244} is an apocalyptic number.

It is an amenable number.

204230121421244 is a deficient number, since it is larger than the sum of its proper divisors (159582796489156).

204230121421244 is a wasteful number, since it uses less digits than its factorization.

204230121421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839362753 (or 839362751 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 204230121421244 its reverse (442124121032402), we get a palindrome (646354242453646).

The spelling of 204230121421244 in words is "two hundred four trillion, two hundred thirty billion, one hundred twenty-one million, four hundred twenty-one thousand, two hundred forty-four".