102130305170205 has 64 divisors (see below), whose sum is σ = 176896754012160. Its totient is φ = 50017573536000.

The previous prime is 102130305170203. The next prime is 102130305170209. The reversal of 102130305170205 is 502071503031201.

It is not a de Polignac number, because 102130305170205 - 2¹ = 102130305170203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130305170203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44125030 + ... + 46381880.

It is an arithmetic number, because the mean of its divisors is an integer number (2764011781440).

Almost surely, 2^{102130305170205} is an apocalyptic number.

102130305170205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102130305170205 is a deficient number, since it is larger than the sum of its proper divisors (74766448841955).

102130305170205 is a wasteful number, since it uses less digits than its factorization.

102130305170205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258082.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 102130305170205 in words is "one hundred two trillion, one hundred thirty billion, three hundred five million, one hundred seventy thousand, two hundred five".