12000202221 has 8 divisors (see below), whose sum is σ = 18286022464. Its totient is φ = 6857258400.

The previous prime is 12000202211. The next prime is 12000202223. The reversal of 12000202221 is 12220200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000202221 - 2⁶ = 12000202157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000202197 and 12000202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000202223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285719080 + ... + 285719121.

It is an arithmetic number, because the mean of its divisors is an integer number (2285752808).

Almost surely, 2^12000202221 is an apocalyptic number.

It is an amenable number.

12000202221 is a deficient number, since it is larger than the sum of its proper divisors (6285820243).

12000202221 is an equidigital number, since it uses as much as digits as its factorization.

12000202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571438211.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12000202221 its reverse (12220200021), we get a palindrome (24220402242).

The spelling of 12000202221 in words is "twelve billion, two hundred two thousand, two hundred twenty-one".