12221113121223 has 8 divisors (see below), whose sum is σ = 17003287820928. Its totient is φ = 7793173584504.

The previous prime is 12221113121207. The next prime is 12221113121233. The reversal of 12221113121223 is 32212131112221.

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

It is not a de Polignac number, because 12221113121223 - 2⁴ = 12221113121207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221113121193 and 12221113121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221113121233) 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, 88558790665 + ... + 88558790802.

It is an arithmetic number, because the mean of its divisors is an integer number (2125410977616).

Almost surely, 2^{12221113121223} is an apocalyptic number.

12221113121223 is a deficient number, since it is larger than the sum of its proper divisors (4782174699705).

12221113121223 is a wasteful number, since it uses less digits than its factorization.

12221113121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177117581493.

The product of its digits is 576, while the sum is 24.

Adding to 12221113121223 its reverse (32212131112221), we get a palindrome (44433244233444).

The spelling of 12221113121223 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-three".