12221303211323 has 4 divisors (see below), whose sum is σ = 12251184148680. Its totient is φ = 12191422273968.

The previous prime is 12221303211287. The next prime is 12221303211367. The reversal of 12221303211323 is 32311230312221.

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 12221303211323 - 2²² = 12221299017019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221303211292 and 12221303211301.

It is not an unprimeable number, because it can be changed into a prime (12221303211223) 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, 14940468065 + ... + 14940468882.

It is an arithmetic number, because the mean of its divisors is an integer number (3062796037170).

Almost surely, 2^{12221303211323} is an apocalyptic number.

12221303211323 is a deficient number, since it is larger than the sum of its proper divisors (29880937357).

12221303211323 is an equidigital number, since it uses as much as digits as its factorization.

12221303211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880937356.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12221303211323 its reverse (32311230312221), we get a palindrome (44532533523544).

The spelling of 12221303211323 in words is "twelve trillion, two hundred twenty-one billion, three hundred three million, two hundred eleven thousand, three hundred twenty-three".