204312252201 has 4 divisors (see below), whose sum is σ = 272416336272. Its totient is φ = 136208168132.

The previous prime is 204312252191. The next prime is 204312252241. The reversal of 204312252201 is 102252213402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204312252201 - 2²⁶ = 204245143337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204312252241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34052042031 + ... + 34052042036.

It is an arithmetic number, because the mean of its divisors is an integer number (68104084068).

Almost surely, 2^204312252201 is an apocalyptic number.

It is an amenable number.

204312252201 is a deficient number, since it is larger than the sum of its proper divisors (68104084071).

204312252201 is an equidigital number, since it uses as much as digits as its factorization.

204312252201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68104084070.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 204312252201 its reverse (102252213402), we get a palindrome (306564465603).

The spelling of 204312252201 in words is "two hundred four billion, three hundred twelve million, two hundred fifty-two thousand, two hundred one".