12532078439 has 2 divisors, whose sum is σ = 12532078440. Its totient is φ = 12532078438.

The previous prime is 12532078423. The next prime is 12532078453. The reversal of 12532078439 is 93487023521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12532078439 - 2⁴ = 12532078423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12532078439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12532078459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266039219 + 6266039220.

It is an arithmetic number, because the mean of its divisors is an integer number (6266039220).

Almost surely, 2^12532078439 is an apocalyptic number.

12532078439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12532078439 is an equidigital number, since it uses as much as digits as its factorization.

12532078439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 12532078439 in words is "twelve billion, five hundred thirty-two million, seventy-eight thousand, four hundred thirty-nine".