102312252805026 has 128 divisors (see below), whose sum is σ = 225506094566400. Its totient is φ = 30943905379200.

The previous prime is 102312252805019. The next prime is 102312252805159. The reversal of 102312252805026 is 620508252213201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17984221590 + ... + 17984227278.

It is an arithmetic number, because the mean of its divisors is an integer number (1761766363800).

Almost surely, 2^{102312252805026} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102312252805026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112753047283200).

102312252805026 is an abundant number, since it is smaller than the sum of its proper divisors (123193841761374).

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

102312252805026 is a wasteful number, since it uses less digits than its factorization.

102312252805026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677 (or 9655 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 102312252805026 in words is "one hundred two trillion, three hundred twelve billion, two hundred fifty-two million, eight hundred five thousand, twenty-six".