102031321200 has 120 divisors (see below), whose sum is σ = 341050873728. Its totient is φ = 26025373440.

The previous prime is 102031321129. The next prime is 102031321213. The reversal of 102031321200 is 2123130201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102031321200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1820794 + ... + 1875993.

Almost surely, 2^102031321200 is an apocalyptic number.

102031321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031321200 is an abundant number, since it is smaller than the sum of its proper divisors (239019552528).

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

102031321200 is a wasteful number, since it uses less digits than its factorization.

102031321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696831 (or 3696820 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102031321200 its reverse (2123130201), we get a palindrome (104154451401).

The spelling of 102031321200 in words is "one hundred two billion, thirty-one million, three hundred twenty-one thousand, two hundred".