200112012 has 48 divisors (see below), whose sum is σ = 521472000. Its totient is φ = 66361680.

The previous prime is 200111993. The next prime is 200112013. The reversal of 200112012 is 210211002.

200112012 is digitally balanced in base 3, 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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 200111985 and 200112003.

It is not an unprimeable number, because it can be changed into a prime (200112013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16837 + ... + 26147.

It is an arithmetic number, because the mean of its divisors is an integer number (10864000).

Almost surely, 2^200112012 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 200112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260736000).

200112012 is an abundant number, since it is smaller than the sum of its proper divisors (321359988).

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

200112012 is a wasteful number, since it uses less digits than its factorization.

200112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523 (or 9515 counting only the distinct ones).

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

The square root of 200112012 is about 14146.0952916344. The cubic root of 200112012 is about 584.9127022924.

Adding to 200112012 its reverse (210211002), we get a palindrome (410323014).

The spelling of 200112012 in words is "two hundred million, one hundred twelve thousand, twelve".