204233042023122 has 96 divisors (see below), whose sum is σ = 479042548588800. Its totient is φ = 57875632913952.

The previous prime is 204233042023069. The next prime is 204233042023139. The reversal of 204233042023122 is 221320240332402.

It is a super-2 number, since 2×204233042023122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204233042023122.

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 47 ways as a sum of consecutive naturals, for example, 39190233 + ... + 44094675.

It is an arithmetic number, because the mean of its divisors is an integer number (4990026547800).

Almost surely, 2^{204233042023122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204233042023122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239521274294400).

204233042023122 is an abundant number, since it is smaller than the sum of its proper divisors (274809506565678).

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

204233042023122 is a wasteful number, since it uses less digits than its factorization.

204233042023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905620 (or 4905613 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 204233042023122 its reverse (221320240332402), we get a palindrome (425553282355524).

The spelling of 204233042023122 in words is "two hundred four trillion, two hundred thirty-three billion, forty-two million, twenty-three thousand, one hundred twenty-two".