102120325312 has 56 divisors (see below), whose sum is σ = 218747340000. Its totient is φ = 47155992576.

The previous prime is 102120325301. The next prime is 102120325343. The reversal of 102120325312 is 213523021201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153437 + ... + 1238812.

It is an arithmetic number, because the mean of its divisors is an integer number (3906202500).

Almost surely, 2^102120325312 is an apocalyptic number.

It is an amenable number.

102120325312 is an abundant number, since it is smaller than the sum of its proper divisors (116627014688).

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

102120325312 is a wasteful number, since it uses less digits than its factorization.

102120325312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392313 (or 2392303 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 102120325312 its reverse (213523021201), we get a palindrome (315643346513).

The spelling of 102120325312 in words is "one hundred two billion, one hundred twenty million, three hundred twenty-five thousand, three hundred twelve".