204310121003140 has 12 divisors (see below), whose sum is σ = 429051254106636. Its totient is φ = 81724048401248.

The previous prime is 204310121003089. The next prime is 204310121003161. The reversal of 204310121003140 is 41300121013402.

It can be written as a sum of positive squares in 2 ways, for example, as 70813032842304 + 133497088160836 = 8415048^2 + 11554094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107753025059 + ... + 5107753025098.

It is an arithmetic number, because the mean of its divisors is an integer number (35754271175553).

Almost surely, 2^{204310121003140} is an apocalyptic number.

204310121003140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204310121003140 is an abundant number, since it is smaller than the sum of its proper divisors (224741133103496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204310121003140 is a wasteful number, since it uses less digits than its factorization.

204310121003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215506050166 (or 10215506050164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 204310121003140 its reverse (41300121013402), we get a palindrome (245610242016542).

The spelling of 204310121003140 in words is "two hundred four trillion, three hundred ten billion, one hundred twenty-one million, three thousand, one hundred forty".