102312112200 has 96 divisors (see below), whose sum is σ = 317262506400. Its totient is φ = 27275061760.

The previous prime is 102312112181. The next prime is 102312112237. The reversal of 102312112200 is 2211213201.

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 102312112200.

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 23 ways as a sum of consecutive naturals, for example, 2132071 + ... + 2179529.

It is an arithmetic number, because the mean of its divisors is an integer number (3304817775).

Almost surely, 2^102312112200 is an apocalyptic number.

102312112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312112200 is an abundant number, since it is smaller than the sum of its proper divisors (214950394200).

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

102312112200 is a wasteful number, since it uses less digits than its factorization.

102312112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51071 (or 51062 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102312112200 its reverse (2211213201), we get a palindrome (104523325401).

The spelling of 102312112200 in words is "one hundred two billion, three hundred twelve million, one hundred twelve thousand, two hundred".