12341144321 has 16 divisors (see below), whose sum is σ = 13523563008. Its totient is φ = 11168928000.

The previous prime is 12341144251. The next prime is 12341144357. The reversal of 12341144321 is 12344114321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12341144321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12341114321) 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 15 ways as a sum of consecutive naturals, for example, 2454416 + ... + 2459438.

It is an arithmetic number, because the mean of its divisors is an integer number (845222688).

Almost surely, 2^12341144321 is an apocalyptic number.

12341144321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12341144321 is a deficient number, since it is larger than the sum of its proper divisors (1182418687).

12341144321 is a wasteful number, since it uses less digits than its factorization.

12341144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its digits is 2304, while the sum is 26.

Adding to 12341144321 its reverse (12344114321), we get a palindrome (24685258642).

The spelling of 12341144321 in words is "twelve billion, three hundred forty-one million, one hundred forty-four thousand, three hundred twenty-one".