12444202211 has 4 divisors (see below), whose sum is σ = 14221945392. Its totient is φ = 10666459032.

The previous prime is 12444202189. The next prime is 12444202261. The reversal of 12444202211 is 11220244421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11220244421 = 2551 ⋅4398371.

It is a cyclic number.

It is not a de Polignac number, because 12444202211 - 2²⁶ = 12377093347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444202261) 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, 888871580 + ... + 888871593.

It is an arithmetic number, because the mean of its divisors is an integer number (3555486348).

Almost surely, 2^12444202211 is an apocalyptic number.

12444202211 is a deficient number, since it is larger than the sum of its proper divisors (1777743181).

12444202211 is an equidigital number, since it uses as much as digits as its factorization.

12444202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777743180.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12444202211 its reverse (11220244421), we get a palindrome (23664446632).

The spelling of 12444202211 in words is "twelve billion, four hundred forty-four million, two hundred two thousand, two hundred eleven".