200021022112212 has 192 divisors, whose sum is σ = 607201675315200. Its totient is φ = 55746558339840.

The previous prime is 200021022112181. The next prime is 200021022112229. The reversal of 200021022112212 is 212211220120002.

It is a happy number.

200021022112212 is a `hidden beast` number, since 20 + 0 + 0 + 210 + 2 + 211 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205917823 + ... + 206886905.

It is an arithmetic number, because the mean of its divisors is an integer number (3162508725600).

Almost surely, 2^{200021022112212} 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 200021022112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303600837657600).

200021022112212 is an abundant number, since it is smaller than the sum of its proper divisors (407180653202988).

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

200021022112212 is a wasteful number, since it uses less digits than its factorization.

200021022112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975803 (or 975795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200021022112212 its reverse (212211220120002), we get a palindrome (412232242232214).

The spelling of 200021022112212 in words is "two hundred trillion, twenty-one billion, twenty-two million, one hundred twelve thousand, two hundred twelve".