12213322121323 has 4 divisors (see below), whose sum is σ = 12931752834360. Its totient is φ = 11494891408288.

The previous prime is 12213322121293. The next prime is 12213322121339. The reversal of 12213322121323 is 32312122331221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213322121323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213322121291 and 12213322121300.

It is not an unprimeable number, because it can be changed into a prime (12213322127323) 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, 359215356493 + ... + 359215356526.

It is an arithmetic number, because the mean of its divisors is an integer number (3232938208590).

Almost surely, 2^{12213322121323} is an apocalyptic number.

12213322121323 is a deficient number, since it is larger than the sum of its proper divisors (718430713037).

12213322121323 is an equidigital number, since it uses as much as digits as its factorization.

12213322121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718430713036.

The product of its digits is 5184, while the sum is 28.

Adding to 12213322121323 its reverse (32312122331221), we get a palindrome (44525444452544).

The spelling of 12213322121323 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-three".