102120200112 has 40 divisors (see below), whose sum is σ = 301497734656. Its totient is φ = 29177199936.

The previous prime is 102120200107. The next prime is 102120200113. The reversal of 102120200112 is 211002021201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (102120200113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151964248 + ... + 151964919.

Almost surely, 2^102120200112 is an apocalyptic number.

102120200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102120200112 is an abundant number, since it is smaller than the sum of its proper divisors (199377534544).

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

102120200112 is a wasteful number, since it uses less digits than its factorization.

102120200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303929185 (or 303929179 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120200112 its reverse (211002021201), we get a palindrome (313122221313).

The spelling of 102120200112 in words is "one hundred two billion, one hundred twenty million, two hundred thousand, one hundred twelve".