102312120200 has 24 divisors (see below), whose sum is σ = 237875679930. Its totient is φ = 40924848000.

The previous prime is 102312120199. The next prime is 102312120271. The reversal of 102312120200 is 2021213201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 72989667556 + 29322452644 = 270166^2 + 171238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255780101 + ... + 255780500.

Almost surely, 2^102312120200 is an apocalyptic number.

102312120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312120200 is an abundant number, since it is smaller than the sum of its proper divisors (135563559730).

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

102312120200 is a wasteful number, since it uses less digits than its factorization.

102312120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511560617 (or 511560608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102312120200 its reverse (2021213201), we get a palindrome (104333333401).

The spelling of 102312120200 in words is "one hundred two billion, three hundred twelve million, one hundred twenty thousand, two hundred".