12221220112022 has 8 divisors (see below), whose sum is σ = 18356839488336. Its totient is φ = 6102273615912.

The previous prime is 12221220111967. The next prime is 12221220112039. The reversal of 12221220112022 is 22021102212221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12221220111985 and 12221220112003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168218218 + ... + 4168221149.

It is an arithmetic number, because the mean of its divisors is an integer number (2294604936042).

Almost surely, 2^{12221220112022} is an apocalyptic number.

12221220112022 is a deficient number, since it is larger than the sum of its proper divisors (6135619376314).

12221220112022 is an equidigital number, since it uses as much as digits as its factorization.

12221220112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336440102.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12221220112022 its reverse (22021102212221), we get a palindrome (34242322324243).

The spelling of 12221220112022 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, twenty-two".