102112010021200 has 30 divisors (see below), whose sum is σ = 245324104076894. Its totient is φ = 40844804008320.

The previous prime is 102112010021117. The next prime is 102112010021239. The reversal of 102112010021200 is 2120010211201.

It can be written as a sum of positive squares in 3 ways, for example, as 555358810176 + 101556651211024 = 745224^2 + 10077532^2 .

It is a congruent number.

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, 127640012127 + ... + 127640012926.

Almost surely, 2^{102112010021200} is an apocalyptic number.

102112010021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112010021200 is an abundant number, since it is smaller than the sum of its proper divisors (143212094055694).

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

102112010021200 is a wasteful number, since it uses less digits than its factorization.

102112010021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255280025071 (or 255280025060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112010021200 its reverse (2120010211201), we get a palindrome (104232020232401).

The spelling of 102112010021200 in words is "one hundred two trillion, one hundred twelve billion, ten million, twenty-one thousand, two hundred".