12221326041 has 4 divisors (see below), whose sum is σ = 16295101392. Its totient is φ = 8147550692.

The previous prime is 12221326009. The next prime is 12221326049. The reversal of 12221326041 is 14062312221.

12221326041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12221326041 - 2⁵ = 12221326009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221326049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036887671 + ... + 2036887676.

It is an arithmetic number, because the mean of its divisors is an integer number (4073775348).

Almost surely, 2^12221326041 is an apocalyptic number.

It is an amenable number.

12221326041 is a deficient number, since it is larger than the sum of its proper divisors (4073775351).

12221326041 is an equidigital number, since it uses as much as digits as its factorization.

12221326041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073775350.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12221326041 its reverse (14062312221), we get a palindrome (26283638262).

The spelling of 12221326041 in words is "twelve billion, two hundred twenty-one million, three hundred twenty-six thousand, forty-one".