12113221366 has 8 divisors (see below), whose sum is σ = 18201766680. Its totient is φ = 6045965808.

The previous prime is 12113221363. The next prime is 12113221369. The reversal of 12113221366 is 66312231121.

It is an interprime number because it is at equal distance from previous prime (12113221363) and next prime (12113221369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113221363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321016 + ... + 5323291.

It is an arithmetic number, because the mean of its divisors is an integer number (2275220835).

Almost surely, 2^12113221366 is an apocalyptic number.

12113221366 is a deficient number, since it is larger than the sum of its proper divisors (6088545314).

12113221366 is a wasteful number, since it uses less digits than its factorization.

12113221366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644878.

The product of its digits is 2592, while the sum is 28.

Adding to 12113221366 its reverse (66312231121), we get a palindrome (78425452487).

The spelling of 12113221366 in words is "twelve billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred sixty-six".