12122342443 has 8 divisors (see below), whose sum is σ = 12157097120. Its totient is φ = 12087636480.

The previous prime is 12122342431. The next prime is 12122342489. The reversal of 12122342443 is 34424322121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122342443 - 2²⁹ = 11585471531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123342443) 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, 518833 + ... + 541693.

It is an arithmetic number, because the mean of its divisors is an integer number (1519637140).

Almost surely, 2^12122342443 is an apocalyptic number.

12122342443 is a deficient number, since it is larger than the sum of its proper divisors (34754677).

12122342443 is an equidigital number, since it uses as much as digits as its factorization.

12122342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24357.

The product of its digits is 9216, while the sum is 28.

Adding to 12122342443 its reverse (34424322121), we get a palindrome (46546664564).

The spelling of 12122342443 in words is "twelve billion, one hundred twenty-two million, three hundred forty-two thousand, four hundred forty-three".