12122210323 has 4 divisors (see below), whose sum is σ = 12156944800. Its totient is φ = 12087475848.

The previous prime is 12122210153. The next prime is 12122210339. The reversal of 12122210323 is 32301222121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122210323 - 2¹⁷ = 12122079251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122210323.

It is not an unprimeable number, because it can be changed into a prime (12122210393) 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, 17366715 + ... + 17367412.

It is an arithmetic number, because the mean of its divisors is an integer number (3039236200).

Almost surely, 2^12122210323 is an apocalyptic number.

12122210323 is a deficient number, since it is larger than the sum of its proper divisors (34734477).

12122210323 is an equidigital number, since it uses as much as digits as its factorization.

12122210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34734476.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122210323 its reverse (32301222121), we get a palindrome (44423432444).

The spelling of 12122210323 in words is "twelve billion, one hundred twenty-two million, two hundred ten thousand, three hundred twenty-three".