200200021212 has 72 divisors (see below), whose sum is σ = 501482859696. Its totient is φ = 61947131904.

The previous prime is 200200021211. The next prime is 200200021213. The reversal of 200200021212 is 212120002002.

It is an interprime number because it is at equal distance from previous prime (200200021211) and next prime (200200021213).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200021211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995038 + ... + 1179194.

It is an arithmetic number, because the mean of its divisors is an integer number (6965039718).

Almost surely, 2^200200021212 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 200200021212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250741429848).

200200021212 is an abundant number, since it is smaller than the sum of its proper divisors (301282838484).

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

200200021212 is a wasteful number, since it uses less digits than its factorization.

200200021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184327 (or 184252 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200200021212 its reverse (212120002002), we get a palindrome (412320023214).

The spelling of 200200021212 in words is "two hundred billion, two hundred million, twenty-one thousand, two hundred twelve".