12213642326 has 8 divisors (see below), whose sum is σ = 18328158624. Its totient is φ = 6104256120.

The previous prime is 12213642289. The next prime is 12213642373. The reversal of 12213642326 is 62324631221.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12213642292 and 12213642301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276565 + ... + 1286096.

It is an arithmetic number, because the mean of its divisors is an integer number (2291019828).

Almost surely, 2^12213642326 is an apocalyptic number.

12213642326 is a deficient number, since it is larger than the sum of its proper divisors (6114516298).

12213642326 is a wasteful number, since it uses less digits than its factorization.

12213642326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565046.

The product of its digits is 20736, while the sum is 32.

The spelling of 12213642326 in words is "twelve billion, two hundred thirteen million, six hundred forty-two thousand, three hundred twenty-six".