12013313443 has 2 divisors, whose sum is σ = 12013313444. Its totient is φ = 12013313442.

The previous prime is 12013313441. The next prime is 12013313479. The reversal of 12013313443 is 34431331021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12013313443 - 2¹ = 12013313441 is a prime.

Together with 12013313441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12013313441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006656721 + 6006656722.

It is an arithmetic number, because the mean of its divisors is an integer number (6006656722).

Almost surely, 2^12013313443 is an apocalyptic number.

12013313443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013313443 is an equidigital number, since it uses as much as digits as its factorization.

12013313443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12013313443 its reverse (34431331021), we get a palindrome (46444644464).

The spelling of 12013313443 in words is "twelve billion, thirteen million, three hundred thirteen thousand, four hundred forty-three".