102312032113220 has 12 divisors (see below), whose sum is σ = 214855267437804. Its totient is φ = 40924812845280.

The previous prime is 102312032113219. The next prime is 102312032113223. The reversal of 102312032113220 is 22311230213201.

It can be written as a sum of positive squares in 2 ways, for example, as 54539495227396 + 47772536885824 = 7385086^2 + 6911768^2 .

It is not an unprimeable number, because it can be changed into a prime (102312032113223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557800802811 + ... + 2557800802850.

It is an arithmetic number, because the mean of its divisors is an integer number (17904605619817).

Almost surely, 2^{102312032113220} is an apocalyptic number.

102312032113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312032113220 is an abundant number, since it is smaller than the sum of its proper divisors (112543235324584).

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

102312032113220 is a wasteful number, since it uses less digits than its factorization.

102312032113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115601605670 (or 5115601605668 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102312032113220 its reverse (22311230213201), we get a palindrome (124623262326421).

The spelling of 102312032113220 in words is "one hundred two trillion, three hundred twelve billion, thirty-two million, one hundred thirteen thousand, two hundred twenty".