12222312220323 has 12 divisors (see below), whose sum is σ = 17691307882560. Its totient is φ = 8131197271056.

The previous prime is 12222312220303. The next prime is 12222312220333. The reversal of 12222312220323 is 32302221322221.

12222312220323 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 312 + 2 + 20 + 323 = 666.

It is not a de Polignac number, because 12222312220323 - 2⁸ = 12222312220067 is a prime.

It is a super-2 number, since 2×12222312220323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222312220303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1417568436 + ... + 1417577057.

It is an arithmetic number, because the mean of its divisors is an integer number (1474275656880).

Almost surely, 2^{12222312220323} is an apocalyptic number.

12222312220323 is a deficient number, since it is larger than the sum of its proper divisors (5468995662237).

12222312220323 is a wasteful number, since it uses less digits than its factorization.

12222312220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835145978 (or 2835145975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12222312220323 its reverse (32302221322221), we get a palindrome (44524533542544).

The spelling of 12222312220323 in words is "twelve trillion, two hundred twenty-two billion, three hundred twelve million, two hundred twenty thousand, three hundred twenty-three".