12340443322 has 64 divisors (see below), whose sum is σ = 20118067200. Its totient is φ = 5662730304.

The previous prime is 12340443229. The next prime is 12340443329. The reversal of 12340443322 is 22334404321.

It is not an unprimeable number, because it can be changed into a prime (12340443329) 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 31 ways as a sum of consecutive naturals, for example, 42117408 + ... + 42117700.

It is an arithmetic number, because the mean of its divisors is an integer number (314344800).

Almost surely, 2^12340443322 is an apocalyptic number.

12340443322 is a deficient number, since it is larger than the sum of its proper divisors (7777623878).

12340443322 is a wasteful number, since it uses less digits than its factorization.

12340443322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12340443322 its reverse (22334404321), we get a palindrome (34674847643).

The spelling of 12340443322 in words is "twelve billion, three hundred forty million, four hundred forty-three thousand, three hundred twenty-two".