204212102312203 has 4 divisors (see below), whose sum is σ = 204212273361640. Its totient is φ = 204211931262768.

The previous prime is 204212102312177. The next prime is 204212102312269. The reversal of 204212102312203 is 302213201212402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204212102312203 - 2⁵ = 204212102312171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204212102312003) 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, 83721225 + ... + 86125882.

It is an arithmetic number, because the mean of its divisors is an integer number (51053068340410).

Almost surely, 2^{204212102312203} is an apocalyptic number.

204212102312203 is a deficient number, since it is larger than the sum of its proper divisors (171049437).

204212102312203 is a wasteful number, since it uses less digits than its factorization.

204212102312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171049436.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204212102312203 its reverse (302213201212402), we get a palindrome (506425303524605).

The spelling of 204212102312203 in words is "two hundred four trillion, two hundred twelve billion, one hundred two million, three hundred twelve thousand, two hundred three".