200021201213 has 4 divisors (see below), whose sum is σ = 200025184320. Its totient is φ = 200017218108.

The previous prime is 200021201143. The next prime is 200021201227. The reversal of 200021201213 is 312102120002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200021201213 - 2¹⁰ = 200021200189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021201273) 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, 1915253 + ... + 2016986.

It is an arithmetic number, because the mean of its divisors is an integer number (50006296080).

Almost surely, 2^200021201213 is an apocalyptic number.

It is an amenable number.

200021201213 is a deficient number, since it is larger than the sum of its proper divisors (3983107).

200021201213 is an equidigital number, since it uses as much as digits as its factorization.

200021201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983106.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 200021201213 its reverse (312102120002), we get a palindrome (512123321215).

The spelling of 200021201213 in words is "two hundred billion, twenty-one million, two hundred one thousand, two hundred thirteen".