200021211212 has 12 divisors (see below), whose sum is σ = 351489557496. Its totient is φ = 99595623360.

The previous prime is 200021211179. The next prime is 200021211253. The reversal of 200021211212 is 212112120002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103744478 + ... + 103746405.

It is an arithmetic number, because the mean of its divisors is an integer number (29290796458).

Almost surely, 2^200021211212 is an apocalyptic number.

It is an amenable number.

200021211212 is a deficient number, since it is larger than the sum of its proper divisors (151468346284).

200021211212 is a wasteful number, since it uses less digits than its factorization.

200021211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207491128 (or 207491126 counting only the distinct ones).

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

Adding to 200021211212 its reverse (212112120002), we get a palindrome (412133331214).

The spelling of 200021211212 in words is "two hundred billion, twenty-one million, two hundred eleven thousand, two hundred twelve".