204417121288 has 8 divisors (see below), whose sum is σ = 383282102430. Its totient is φ = 102208560640.

The previous prime is 204417121273. The next prime is 204417121303. The reversal of 204417121288 is 882121714402.

It is an interprime number because it is at equal distance from previous prime (204417121273) and next prime (204417121303).

It can be written as a sum of positive squares in only one way, i.e., 190045427364 + 14371693924 = 435942^2 + 119882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 204417121288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776070073 + ... + 12776070088.

Almost surely, 2^204417121288 is an apocalyptic number.

It is an amenable number.

204417121288 is a deficient number, since it is larger than the sum of its proper divisors (178864981142).

204417121288 is a wasteful number, since it uses less digits than its factorization.

204417121288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25552140167 (or 25552140163 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The spelling of 204417121288 in words is "two hundred four billion, four hundred seventeen million, one hundred twenty-one thousand, two hundred eighty-eight".