12340205335 has 4 divisors (see below), whose sum is σ = 14808246408. Its totient is φ = 9872164264.

The previous prime is 12340205333. The next prime is 12340205399. The reversal of 12340205335 is 53350204321.

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 12340205335 - 2¹ = 12340205333 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 (12340205333) 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, 1234020529 + ... + 1234020538.

It is an arithmetic number, because the mean of its divisors is an integer number (3702061602).

Almost surely, 2^12340205335 is an apocalyptic number.

12340205335 is a deficient number, since it is larger than the sum of its proper divisors (2468041073).

12340205335 is an equidigital number, since it uses as much as digits as its factorization.

12340205335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468041072.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 12340205335 its reverse (53350204321), we get a palindrome (65690409656).

The spelling of 12340205335 in words is "twelve billion, three hundred forty million, two hundred five thousand, three hundred thirty-five".