204122012210 has 16 divisors (see below), whose sum is σ = 367738306776. Its totient is φ = 81577986048.

The previous prime is 204122012207. The next prime is 204122012221. The reversal of 204122012210 is 12210221402.

It can be written as a sum of positive squares in 4 ways, for example, as 185396552929 + 18725459281 = 430577^2 + 136841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8840249 + ... + 8863308.

Almost surely, 2^204122012210 is an apocalyptic number.

204122012210 is a deficient number, since it is larger than the sum of its proper divisors (163616294566).

204122012210 is a wasteful number, since it uses less digits than its factorization.

204122012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704717.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 204122012210 its reverse (12210221402), we get a palindrome (216332233612).

The spelling of 204122012210 in words is "two hundred four billion, one hundred twenty-two million, twelve thousand, two hundred ten".