12111111373 has 2 divisors, whose sum is σ = 12111111374. Its totient is φ = 12111111372.

The previous prime is 12111111371. The next prime is 12111111437. The reversal of 12111111373 is 37311111121.

12111111373 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 can be written as a sum of positive squares in only one way, i.e., 7900009924 + 4211101449 = 88882^2 + 64893^2 .

It is a cyclic number.

It is not a de Polignac number, because 12111111373 - 2¹ = 12111111371 is a prime.

Together with 12111111371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111111371) 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, 6055555686 + 6055555687.

It is an arithmetic number, because the mean of its divisors is an integer number (6055555687).

Almost surely, 2^12111111373 is an apocalyptic number.

It is an amenable number.

12111111373 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111111373 is an equidigital number, since it uses as much as digits as its factorization.

12111111373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 22.

Adding to 12111111373 its reverse (37311111121), we get a palindrome (49422222494).

The spelling of 12111111373 in words is "twelve billion, one hundred eleven million, one hundred eleven thousand, three hundred seventy-three".