12111201043 has 2 divisors, whose sum is σ = 12111201044. Its totient is φ = 12111201042.

The previous prime is 12111200963. The next prime is 12111201073. The reversal of 12111201043 is 34010211121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111201043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111201073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055600521 + 6055600522.

It is an arithmetic number, because the mean of its divisors is an integer number (6055600522).

Almost surely, 2^12111201043 is an apocalyptic number.

12111201043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111201043 is an equidigital number, since it uses as much as digits as its factorization.

12111201043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111201043 its reverse (34010211121), we get a palindrome (46121412164).

The spelling of 12111201043 in words is "twelve billion, one hundred eleven million, two hundred one thousand, forty-three".