204122312103 has 16 divisors (see below), whose sum is σ = 281429513216. Its totient is φ = 131463544320.

The previous prime is 204122312083. The next prime is 204122312117. The reversal of 204122312103 is 301213221402.

It is not a de Polignac number, because 204122312103 - 2¹⁰ = 204122311079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204122312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122312143) 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, 1848301 + ... + 1955622.

It is an arithmetic number, because the mean of its divisors is an integer number (17589344576).

Almost surely, 2^204122312103 is an apocalyptic number.

204122312103 is a deficient number, since it is larger than the sum of its proper divisors (77307201113).

204122312103 is a wasteful number, since it uses less digits than its factorization.

204122312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804534.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 204122312103 its reverse (301213221402), we get a palindrome (505335533505).

The spelling of 204122312103 in words is "two hundred four billion, one hundred twenty-two million, three hundred twelve thousand, one hundred three".