204240332013121 has 8 divisors (see below), whose sum is σ = 207255126600000. Its totient is φ = 201229375487280.

The previous prime is 204240332013079. The next prime is 204240332013161. The reversal of 204240332013121 is 121310233042402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204240332013121 - 2⁷ = 204240332012993 is a prime.

It is a super-2 number, since 2×204240332013121² (a number of 29 digits) contains 22 as substring.

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 204240332013121.

It is not an unprimeable number, because it can be changed into a prime (204240332013161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959408046 + ... + 959620903.

It is an arithmetic number, because the mean of its divisors is an integer number (25906890825000).

Almost surely, 2^{204240332013121} is an apocalyptic number.

It is an amenable number.

204240332013121 is a deficient number, since it is larger than the sum of its proper divisors (3014794586879).

204240332013121 is a wasteful number, since it uses less digits than its factorization.

204240332013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919030519.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 204240332013121 its reverse (121310233042402), we get a palindrome (325550565055523).

The spelling of 204240332013121 in words is "two hundred four trillion, two hundred forty billion, three hundred thirty-two million, thirteen thousand, one hundred twenty-one".