13011222043 has 2 divisors, whose sum is σ = 13011222044. Its totient is φ = 13011222042.

The previous prime is 13011221987. The next prime is 13011222047. The reversal of 13011222043 is 34022211031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13011222043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13011222043.

It is not a weakly prime, because it can be changed into another prime (13011222047) 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, 6505611021 + 6505611022.

It is an arithmetic number, because the mean of its divisors is an integer number (6505611022).

Almost surely, 2^13011222043 is an apocalyptic number.

13011222043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011222043 is an equidigital number, since it uses as much as digits as its factorization.

13011222043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13011222043 its reverse (34022211031), we get a palindrome (47033433074).

The spelling of 13011222043 in words is "thirteen billion, eleven million, two hundred twenty-two thousand, forty-three".