12043223321 has 8 divisors (see below), whose sum is σ = 12729684000. Its totient is φ = 11362023360.

The previous prime is 12043223293. The next prime is 12043223329. The reversal of 12043223321 is 12332234021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12043223321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043223329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310471 + ... + 1319628.

It is an arithmetic number, because the mean of its divisors is an integer number (1591210500).

Almost surely, 2^12043223321 is an apocalyptic number.

It is an amenable number.

12043223321 is a deficient number, since it is larger than the sum of its proper divisors (686460679).

12043223321 is a wasteful number, since it uses less digits than its factorization.

12043223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630359.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12043223321 its reverse (12332234021), we get a palindrome (24375457342).

The spelling of 12043223321 in words is "twelve billion, forty-three million, two hundred twenty-three thousand, three hundred twenty-one".