12340434013105 has 16 divisors (see below), whose sum is σ = 16336264032000. Its totient is φ = 8874019960960.

The previous prime is 12340434013067. The next prime is 12340434013129. The reversal of 12340434013105 is 50131043404321.

It is not a de Polignac number, because 12340434013105 - 2¹⁵ = 12340433980337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260509305 + ... + 1260519094.

It is an arithmetic number, because the mean of its divisors is an integer number (1021016502000).

Almost surely, 2^{12340434013105} is an apocalyptic number.

It is an amenable number.

12340434013105 is a deficient number, since it is larger than the sum of its proper divisors (3995830018895).

12340434013105 is a wasteful number, since it uses less digits than its factorization.

12340434013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521028504.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12340434013105 its reverse (50131043404321), we get a palindrome (62471477417426).

The spelling of 12340434013105 in words is "twelve trillion, three hundred forty billion, four hundred thirty-four million, thirteen thousand, one hundred five".