12211313321 has 8 divisors (see below), whose sum is σ = 12234288000. Its totient is φ = 12188358000.

The previous prime is 12211313251. The next prime is 12211313329. The reversal of 12211313321 is 12331311221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211313321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211313293 and 12211313302.

It is not an unprimeable number, because it can be changed into a prime (12211313329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911110 + ... + 1917488.

It is an arithmetic number, because the mean of its divisors is an integer number (1529286000).

Almost surely, 2^12211313321 is an apocalyptic number.

It is an amenable number.

12211313321 is a deficient number, since it is larger than the sum of its proper divisors (22974679).

12211313321 is an equidigital number, since it uses as much as digits as its factorization.

12211313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679.

The product of its digits is 216, while the sum is 20.

Adding to 12211313321 its reverse (12331311221), we get a palindrome (24542624542).

The spelling of 12211313321 in words is "twelve billion, two hundred eleven million, three hundred thirteen thousand, three hundred twenty-one".