12322120443 has 16 divisors (see below), whose sum is σ = 16837632000. Its totient is φ = 8010854720.

The previous prime is 12322120403. The next prime is 12322120469. The reversal of 12322120443 is 34402122321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12322120443 - 2²² = 12317926139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12322120403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274198 + ... + 315956.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352000).

Almost surely, 2^12322120443 is an apocalyptic number.

12322120443 is a deficient number, since it is larger than the sum of its proper divisors (4515511557).

12322120443 is a wasteful number, since it uses less digits than its factorization.

12322120443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44202.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12322120443 its reverse (34402122321), we get a palindrome (46724242764).

The spelling of 12322120443 in words is "twelve billion, three hundred twenty-two million, one hundred twenty thousand, four hundred forty-three".