12447068214343 has 4 divisors (see below), whose sum is σ = 14225220816400. Its totient is φ = 10668915612288.

The previous prime is 12447068214289. The next prime is 12447068214419. The reversal of 12447068214343 is 34341286074421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12447068214343 - 2⁹ = 12447068213831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447068214643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889076301018 + ... + 889076301031.

It is an arithmetic number, because the mean of its divisors is an integer number (3556305204100).

Almost surely, 2^{12447068214343} is an apocalyptic number.

12447068214343 is a deficient number, since it is larger than the sum of its proper divisors (1778152602057).

12447068214343 is an equidigital number, since it uses as much as digits as its factorization.

12447068214343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778152602056.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 12447068214343 in words is "twelve trillion, four hundred forty-seven billion, sixty-eight million, two hundred fourteen thousand, three hundred forty-three".