12321443002 has 8 divisors (see below), whose sum is σ = 20162361312. Its totient is φ = 5600655900.

The previous prime is 12321442997. The next prime is 12321443059. The reversal of 12321443002 is 20034412321.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 560065591 = 12321443002 / (1 + 2 + 3 + 2 + 1 + 4 + 4 + 3 + 0 + 0 + 2).

It is an unprimeable number.

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, 280032774 + ... + 280032817.

It is an arithmetic number, because the mean of its divisors is an integer number (2520295164).

Almost surely, 2^12321443002 is an apocalyptic number.

12321443002 is a deficient number, since it is larger than the sum of its proper divisors (7840918310).

12321443002 is a wasteful number, since it uses less digits than its factorization.

12321443002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560065604.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12321443002 its reverse (20034412321), we get a palindrome (32355855323).

The spelling of 12321443002 in words is "twelve billion, three hundred twenty-one million, four hundred forty-three thousand, two".