200021100212 has 12 divisors (see below), whose sum is σ = 350282231040. Its totient is φ = 99940462776.

The previous prime is 200021100161. The next prime is 200021100217. The reversal of 200021100212 is 212001120002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200021100193 and 200021100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17515412 + ... + 17526827.

It is an arithmetic number, because the mean of its divisors is an integer number (29190185920).

Almost surely, 2^200021100212 is an apocalyptic number.

It is an amenable number.

200021100212 is a deficient number, since it is larger than the sum of its proper divisors (150261130828).

200021100212 is a wasteful number, since it uses less digits than its factorization.

200021100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35043670 (or 35043668 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021100212 its reverse (212001120002), we get a palindrome (412022220214).

The spelling of 200021100212 in words is "two hundred billion, twenty-one million, one hundred thousand, two hundred twelve".