200120112 has 80 divisors (see below), whose sum is σ = 578460000. Its totient is φ = 66237696.

The previous prime is 200120069. The next prime is 200120131. The reversal of 200120112 is 211021002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200120094 and 200120103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62814 + ... + 65922.

It is an arithmetic number, because the mean of its divisors is an integer number (7230750).

Almost surely, 2^200120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289230000).

200120112 is an abundant number, since it is smaller than the sum of its proper divisors (378339888).

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

200120112 is a wasteful number, since it uses less digits than its factorization.

200120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200120112 is about 14146.3815868228. The cubic root of 200120112 is about 584.9205940874.

Adding to 200120112 its reverse (211021002), we get a palindrome (411141114).

The spelling of 200120112 in words is "two hundred million, one hundred twenty thousand, one hundred twelve".