200121200112 has 80 divisors (see below), whose sum is σ = 542767189248. Its totient is φ = 63415249920.

The previous prime is 200121200107. The next prime is 200121200159. The reversal of 200121200112 is 211002121002.

200121200112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376089 + ... + 735992.

Almost surely, 2^200121200112 is an apocalyptic number.

It is an amenable number.

200121200112 is an abundant number, since it is smaller than the sum of its proper divisors (342645989136).

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

200121200112 is a wasteful number, since it uses less digits than its factorization.

200121200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112278 (or 1112272 counting only the distinct ones).

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

Adding to 200121200112 its reverse (211002121002), we get a palindrome (411123321114).

The spelling of 200121200112 in words is "two hundred billion, one hundred twenty-one million, two hundred thousand, one hundred twelve".