12432344555105 has 16 divisors (see below), whose sum is σ = 14926118054400. Its totient is φ = 9941007081600.

The previous prime is 12432344555087. The next prime is 12432344555153. The reversal of 12432344555105 is 50155544323421.

It is a happy number.

It is not a de Polignac number, because 12432344555105 - 2¹⁴ = 12432344538721 is a prime.

It is a super-2 number, since 2×12432344555105² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 90943805 + ... + 91080405.

It is an arithmetic number, because the mean of its divisors is an integer number (932882378400).

Almost surely, 2^{12432344555105} is an apocalyptic number.

It is an amenable number.

12432344555105 is a deficient number, since it is larger than the sum of its proper divisors (2493773499295).

12432344555105 is a wasteful number, since it uses less digits than its factorization.

12432344555105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145384.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 12432344555105 its reverse (50155544323421), we get a palindrome (62587888878526).

The spelling of 12432344555105 in words is "twelve trillion, four hundred thirty-two billion, three hundred forty-four million, five hundred fifty-five thousand, one hundred five".