12220200221021 has 8 divisors (see below), whose sum is σ = 13160613064704. Its totient is φ = 11279844154800.

The previous prime is 12220200221011. The next prime is 12220200221039. The reversal of 12220200221021 is 12012200202221.

It is a happy number.

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

It is not a de Polignac number, because 12220200221021 - 2³⁸ = 11945322314077 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 (12220200221011) 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, 13746821 + ... + 14608746.

It is an arithmetic number, because the mean of its divisors is an integer number (1645076633088).

Almost surely, 2^{12220200221021} is an apocalyptic number.

It is an amenable number.

12220200221021 is a deficient number, since it is larger than the sum of its proper divisors (940412843683).

12220200221021 is a wasteful number, since it uses less digits than its factorization.

12220200221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388731.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220200221021 its reverse (12012200202221), we get a palindrome (24232400423242).

The spelling of 12220200221021 in words is "twelve trillion, two hundred twenty billion, two hundred million, two hundred twenty-one thousand, twenty-one".