200021212112 has 10 divisors (see below), whose sum is σ = 387541098498. Its totient is φ = 100010606048.

The previous prime is 200021212099. The next prime is 200021212121. The reversal of 200021212112 is 211212120002.

200021212112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 108396343696 + 91624868416 = 329236^2 + 302696^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6250662863 + ... + 6250662894.

Almost surely, 2^200021212112 is an apocalyptic number.

It is an amenable number.

200021212112 is a deficient number, since it is larger than the sum of its proper divisors (187519886386).

200021212112 is a wasteful number, since it uses less digits than its factorization.

200021212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501325765 (or 12501325759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200021212112 its reverse (211212120002), we get a palindrome (411233332114).

The spelling of 200021212112 in words is "two hundred billion, twenty-one million, two hundred twelve thousand, one hundred twelve".