12347073499 has 2 divisors, whose sum is σ = 12347073500. Its totient is φ = 12347073498.

The previous prime is 12347073461. The next prime is 12347073517. The reversal of 12347073499 is 99437074321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12347073499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12347073199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173536749 + 6173536750.

It is an arithmetic number, because the mean of its divisors is an integer number (6173536750).

Almost surely, 2^12347073499 is an apocalyptic number.

12347073499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12347073499 is an equidigital number, since it uses as much as digits as its factorization.

12347073499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 12347073499 in words is "twelve billion, three hundred forty-seven million, seventy-three thousand, four hundred ninety-nine".