12111272743 has 2 divisors, whose sum is σ = 12111272744. Its totient is φ = 12111272742.

The previous prime is 12111272737. The next prime is 12111272749. The reversal of 12111272743 is 34727211121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12111272737) and next prime (12111272749).

It is an emirp because it is prime and its reverse (34727211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111272743 - 2⁵ = 12111272711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111272749) 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 as a sum of consecutive naturals, namely, 6055636371 + 6055636372.

It is an arithmetic number, because the mean of its divisors is an integer number (6055636372).

Almost surely, 2^12111272743 is an apocalyptic number.

12111272743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111272743 is an equidigital number, since it uses as much as digits as its factorization.

12111272743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 31.

Adding to 12111272743 its reverse (34727211121), we get a palindrome (46838483864).

The spelling of 12111272743 in words is "twelve billion, one hundred eleven million, two hundred seventy-two thousand, seven hundred forty-three".