12340004550305 has 4 divisors (see below), whose sum is σ = 14808005460372. Its totient is φ = 9872003640240.

The previous prime is 12340004550187. The next prime is 12340004550317. The reversal of 12340004550305 is 50305540004321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1327223810704 + 11012780739601 = 1152052^2 + 3318551^2 .

It is not a de Polignac number, because 12340004550305 - 2¹² = 12340004546209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234000455026 + ... + 1234000455035.

It is an arithmetic number, because the mean of its divisors is an integer number (3702001365093).

Almost surely, 2^{12340004550305} is an apocalyptic number.

It is an amenable number.

12340004550305 is a deficient number, since it is larger than the sum of its proper divisors (2468000910067).

12340004550305 is an equidigital number, since it uses as much as digits as its factorization.

12340004550305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468000910066.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 12340004550305 its reverse (50305540004321), we get a palindrome (62645544554626).

The spelling of 12340004550305 in words is "twelve trillion, three hundred forty billion, four million, five hundred fifty thousand, three hundred five".