12026340439 has 2 divisors, whose sum is σ = 12026340440. Its totient is φ = 12026340438.

The previous prime is 12026340433. The next prime is 12026340479. The reversal of 12026340439 is 93404362021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93404362021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12026340439 - 2²⁵ = 11992786007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12026340433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013170219 + 6013170220.

It is an arithmetic number, because the mean of its divisors is an integer number (6013170220).

Almost surely, 2^12026340439 is an apocalyptic number.

12026340439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026340439 is an equidigital number, since it uses as much as digits as its factorization.

12026340439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 12026340439 in words is "twelve billion, twenty-six million, three hundred forty thousand, four hundred thirty-nine".