12220200112221 has 24 divisors (see below), whose sum is σ = 18600907039520. Its totient is φ = 7709511630816.

The previous prime is 12220200112213. The next prime is 12220200112261. The reversal of 12220200112221 is 12221100202221.

It is a happy number.

12220200112221 is a `hidden beast` number, since 12 + 220 + 200 + 1 + 12 + 221 = 666.

It is not a de Polignac number, because 12220200112221 - 2³ = 12220200112213 is a prime.

It is a super-2 number, since 2×12220200112221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220200112194 and 12220200112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220200112261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39240250 + ... + 39550443.

Almost surely, 2^{12220200112221} is an apocalyptic number.

It is an amenable number.

12220200112221 is a deficient number, since it is larger than the sum of its proper divisors (6380706927299).

12220200112221 is a wasteful number, since it uses less digits than its factorization.

12220200112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78791625 (or 78791622 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220200112221 its reverse (12221100202221), we get a palindrome (24441300314442).

The spelling of 12220200112221 in words is "twelve trillion, two hundred twenty billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".