200112012120 has 128 divisors (see below), whose sum is σ = 625008392640. Its totient is φ = 51209625600.

The previous prime is 200112012043. The next prime is 200112012137. The reversal of 200112012120 is 21210211002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200112012096 and 200112012105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15420 + ... + 632820.

Almost surely, 2^200112012120 is an apocalyptic number.

200112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200112012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312504196320).

200112012120 is an abundant number, since it is smaller than the sum of its proper divisors (424896380520).

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

200112012120 is a wasteful number, since it uses less digits than its factorization.

200112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617525 (or 617521 counting only the distinct ones).

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

Adding to 200112012120 its reverse (21210211002), we get a palindrome (221322223122).

The spelling of 200112012120 in words is "two hundred billion, one hundred twelve million, twelve thousand, one hundred twenty".