12220233202221 has 16 divisors (see below), whose sum is σ = 18255286947648. Its totient is φ = 7206034320000.

The previous prime is 12220233202187. The next prime is 12220233202231.

12220233202221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12220233202221 - 2²⁹ = 12219696331309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220233202191 and 12220233202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220233202231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004189280 + ... + 5004191721.

It is an arithmetic number, because the mean of its divisors is an integer number (1140955434228).

Almost surely, 2^{12220233202221} is an apocalyptic number.

12220233202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12220233202221 is a deficient number, since it is larger than the sum of its proper divisors (6035053745427).

12220233202221 is a wasteful number, since it uses less digits than its factorization.

12220233202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008381052.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 1222023 and 3202221, that added together give a palindrome (4424244).

The spelling of 12220233202221 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-three million, two hundred two thousand, two hundred twenty-one".