200112120012 has 96 divisors (see below), whose sum is σ = 548494213120. Its totient is φ = 55585025280.

The previous prime is 200112120001. The next prime is 200112120023. The reversal of 200112120012 is 210021211002.

200112120012 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200112120001) and next prime (200112120023).

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

It is a self number, because there is not a number n which added to its sum of digits gives 200112120012.

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 31 ways as a sum of consecutive naturals, for example, 3949962 + ... + 4000302.

Almost surely, 2^200112120012 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 200112120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274247106560).

200112120012 is an abundant number, since it is smaller than the sum of its proper divisors (348382093108).

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

200112120012 is a wasteful number, since it uses less digits than its factorization.

200112120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51671 (or 51669 counting only the distinct ones).

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

Adding to 200112120012 its reverse (210021211002), we get a palindrome (410133331014).

The spelling of 200112120012 in words is "two hundred billion, one hundred twelve million, one hundred twenty thousand, twelve".