204042323122 has 32 divisors (see below), whose sum is σ = 352860883200. Its totient is φ = 87515010000.

The previous prime is 204042323117. The next prime is 204042323123. The reversal of 204042323122 is 221323240402.

It is not an unprimeable number, because it can be changed into a prime (204042323123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867472 + ... + 1077307.

It is an arithmetic number, because the mean of its divisors is an integer number (11026902600).

Almost surely, 2^204042323122 is an apocalyptic number.

204042323122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204042323122 is a deficient number, since it is larger than the sum of its proper divisors (148818560078).

204042323122 is a wasteful number, since it uses less digits than its factorization.

204042323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945062.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204042323122 its reverse (221323240402), we get a palindrome (425365563524).

The spelling of 204042323122 in words is "two hundred four billion, forty-two million, three hundred twenty-three thousand, one hundred twenty-two".