204134303121 has 16 divisors (see below), whose sum is σ = 311077208064. Its totient is φ = 116642393424.

The previous prime is 204134303083. The next prime is 204134303147. The reversal of 204134303121 is 121303431402.

It is a happy number.

204134303121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204134303121 - 2⁷ = 204134302993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204134303091 and 204134303100.

It is not an unprimeable number, because it can be changed into a prime (204134303171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212976 + ... + 673518.

It is an arithmetic number, because the mean of its divisors is an integer number (19442325504).

Almost surely, 2^204134303121 is an apocalyptic number.

204134303121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204134303121 is a deficient number, since it is larger than the sum of its proper divisors (106942904943).

204134303121 is a wasteful number, since it uses less digits than its factorization.

204134303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481660.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 204134303121 its reverse (121303431402), we get a palindrome (325437734523).

The spelling of 204134303121 in words is "two hundred four billion, one hundred thirty-four million, three hundred three thousand, one hundred twenty-one".