12043435111 has 2 divisors, whose sum is σ = 12043435112. Its totient is φ = 12043435110.

The previous prime is 12043435109. The next prime is 12043435163. The reversal of 12043435111 is 11153434021.

It is a weak prime.

It is an emirp because it is prime and its reverse (11153434021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12043435111 - 2¹ = 12043435109 is a prime.

Together with 12043435109, 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 (12043435181) 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, 6021717555 + 6021717556.

It is an arithmetic number, because the mean of its divisors is an integer number (6021717556).

Almost surely, 2^12043435111 is an apocalyptic number.

12043435111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043435111 is an equidigital number, since it uses as much as digits as its factorization.

12043435111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12043435111 its reverse (11153434021), we get a palindrome (23196869132).

The spelling of 12043435111 in words is "twelve billion, forty-three million, four hundred thirty-five thousand, one hundred eleven".