102130123312 has 80 divisors (see below), whose sum is σ = 248397672960. Its totient is φ = 39663461376.

The previous prime is 102130123283. The next prime is 102130123349. The reversal of 102130123312 is 213321031201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102130123312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994393 + ... + 1092280.

It is an arithmetic number, because the mean of its divisors is an integer number (3104970912).

Almost surely, 2^102130123312 is an apocalyptic number.

It is an amenable number.

102130123312 is an abundant number, since it is smaller than the sum of its proper divisors (146267549648).

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

102130123312 is a wasteful number, since it uses less digits than its factorization.

102130123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086730 (or 2086724 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102130123312 its reverse (213321031201), we get a palindrome (315451154513).

The spelling of 102130123312 in words is "one hundred two billion, one hundred thirty million, one hundred twenty-three thousand, three hundred twelve".