200021120212 has 12 divisors (see below), whose sum is σ = 365255958816. Its totient is φ = 95662274840.

The previous prime is 200021120209. The next prime is 200021120219. The reversal of 200021120212 is 212021120002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200021120192 and 200021120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021120219) 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, 1087071214 + ... + 1087071397.

It is an arithmetic number, because the mean of its divisors is an integer number (30437996568).

Almost surely, 2^200021120212 is an apocalyptic number.

It is an amenable number.

200021120212 is a deficient number, since it is larger than the sum of its proper divisors (165234838604).

200021120212 is a wasteful number, since it uses less digits than its factorization.

200021120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174142638 (or 2174142636 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200021120212 its reverse (212021120002), we get a palindrome (412042240214).

The spelling of 200021120212 in words is "two hundred billion, twenty-one million, one hundred twenty thousand, two hundred twelve".