12230320211 has 4 divisors (see below), whose sum is σ = 12230619192. Its totient is φ = 12230021232.

The previous prime is 12230320187. The next prime is 12230320241. The reversal of 12230320211 is 11202303221.

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 12230320211 - 2¹⁸ = 12230058067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12230320211.

It is not an unprimeable number, because it can be changed into a prime (12230320241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76130 + ... + 173943.

It is an arithmetic number, because the mean of its divisors is an integer number (3057654798).

Almost surely, 2^12230320211 is an apocalyptic number.

12230320211 is a deficient number, since it is larger than the sum of its proper divisors (298981).

12230320211 is an equidigital number, since it uses as much as digits as its factorization.

12230320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298980.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12230320211 its reverse (11202303221), we get a palindrome (23432623432).

The spelling of 12230320211 in words is "twelve billion, two hundred thirty million, three hundred twenty thousand, two hundred eleven".