12221210112022 has 4 divisors (see below), whose sum is σ = 18331815168036. Its totient is φ = 6110605056010.

The previous prime is 12221210112011. The next prime is 12221210112049. The reversal of 12221210112022 is 22021101212221.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×12221210112022⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055302528004 + ... + 3055302528007.

It is an arithmetic number, because the mean of its divisors is an integer number (4582953792009).

Almost surely, 2^{12221210112022} is an apocalyptic number.

12221210112022 is a deficient number, since it is larger than the sum of its proper divisors (6110605056014).

12221210112022 is an equidigital number, since it uses as much as digits as its factorization.

12221210112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110605056013.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221210112022 its reverse (22021101212221), we get a palindrome (34242311324243).

The spelling of 12221210112022 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, twenty-two".