12519023239 has 2 divisors, whose sum is σ = 12519023240. Its totient is φ = 12519023238.

The previous prime is 12519023233. The next prime is 12519023243. The reversal of 12519023239 is 93232091521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12519023239 - 2²¹ = 12516926087 is a prime.

It is a super-2 number, since 2×12519023239² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12519023198 and 12519023207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12519023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259511619 + 6259511620.

It is an arithmetic number, because the mean of its divisors is an integer number (6259511620).

Almost surely, 2^12519023239 is an apocalyptic number.

12519023239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12519023239 is an equidigital number, since it uses as much as digits as its factorization.

12519023239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 12519023239 in words is "twelve billion, five hundred nineteen million, twenty-three thousand, two hundred thirty-nine".