200012002021 has 32 divisors (see below), whose sum is σ = 220906828800. Its totient is φ = 179971276800.

The previous prime is 200012001989. The next prime is 200012002039. The reversal of 200012002021 is 120200210002.

It is a cyclic number.

It is not a de Polignac number, because 200012002021 - 2⁵ = 200012001989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200012001989 and 200012002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012002061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46828116 + ... + 46832386.

It is an arithmetic number, because the mean of its divisors is an integer number (6903338400).

Almost surely, 2^200012002021 is an apocalyptic number.

It is an amenable number.

200012002021 is a deficient number, since it is larger than the sum of its proper divisors (20894826779).

200012002021 is a wasteful number, since it uses less digits than its factorization.

200012002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200012002021 its reverse (120200210002), we get a palindrome (320212212023).

The spelling of 200012002021 in words is "two hundred billion, twelve million, two thousand, twenty-one".