12111203267 has 2 divisors, whose sum is σ = 12111203268. Its totient is φ = 12111203266.

The previous prime is 12111203263. The next prime is 12111203333. The reversal of 12111203267 is 76230211121.

12111203267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76230211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111203267 - 2² = 12111203263 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111203261) 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 as a sum of consecutive naturals, namely, 6055601633 + 6055601634.

It is an arithmetic number, because the mean of its divisors is an integer number (6055601634).

Almost surely, 2^12111203267 is an apocalyptic number.

12111203267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111203267 is an equidigital number, since it uses as much as digits as its factorization.

12111203267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 12111203267 its reverse (76230211121), we get a palindrome (88341414388).

The spelling of 12111203267 in words is "twelve billion, one hundred eleven million, two hundred three thousand, two hundred sixty-seven".