200021000012 has 12 divisors (see below), whose sum is σ = 350058173640. Its totient is φ = 100004378976.

The previous prime is 200020999999. The next prime is 200021000033. The reversal of 200021000012 is 210000120002.

200021000012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456337 + ... + 1587752.

It is an arithmetic number, because the mean of its divisors is an integer number (29171514470).

Almost surely, 2^200021000012 is an apocalyptic number.

It is an amenable number.

200021000012 is a deficient number, since it is larger than the sum of its proper divisors (150037173628).

200021000012 is a wasteful number, since it uses less digits than its factorization.

200021000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060520 (or 3060518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 200021000012 its reverse (210000120002), we get a palindrome (410021120014).

The spelling of 200021000012 in words is "two hundred billion, twenty-one million, twelve", and thus it is an aban number.