200120002112 has 28 divisors (see below), whose sum is σ = 410806689180. Its totient is φ = 96609655296.

The previous prime is 200120002079. The next prime is 200120002133. The reversal of 200120002112 is 211200021002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166255169536 + 33864832576 = 407744^2 + 184024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200120002093 and 200120002102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53909783 + ... + 53913494.

Almost surely, 2^200120002112 is an apocalyptic number.

It is an amenable number.

200120002112 is an abundant number, since it is smaller than the sum of its proper divisors (210686687068).

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

200120002112 is a wasteful number, since it uses less digits than its factorization.

200120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107823318 (or 107823308 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200120002112 its reverse (211200021002), we get a palindrome (411320023114).

The spelling of 200120002112 in words is "two hundred billion, one hundred twenty million, two thousand, one hundred twelve".