12213323313122 has 4 divisors (see below), whose sum is σ = 18319984969686. Its totient is φ = 6106661656560.

The previous prime is 12213323313073. The next prime is 12213323313179. The reversal of 12213323313122 is 22131332331221.

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

It can be written as a sum of positive squares in only one way, i.e., 10031732278681 + 2181591034441 = 3167291^2 + 1477021^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053330828279 + ... + 3053330828282.

Almost surely, 2^{12213323313122} is an apocalyptic number.

12213323313122 is a deficient number, since it is larger than the sum of its proper divisors (6106661656564).

12213323313122 is an equidigital number, since it uses as much as digits as its factorization.

12213323313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106661656563.

The product of its digits is 7776, while the sum is 29.

Adding to 12213323313122 its reverse (22131332331221), we get a palindrome (34344655644343).

The spelling of 12213323313122 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred thirteen thousand, one hundred twenty-two".