12442234321 has 8 divisors (see below), whose sum is σ = 13582591488. Its totient is φ = 11303418000.

The previous prime is 12442234297. The next prime is 12442234333. The reversal of 12442234321 is 12343224421.

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 12442234321 - 2¹³ = 12442226129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12442234321.

It is not an unprimeable number, because it can be changed into a prime (12442234361) 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, 368290 + ... + 400651.

It is an arithmetic number, because the mean of its divisors is an integer number (1697823936).

Almost surely, 2^12442234321 is an apocalyptic number.

12442234321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12442234321 is a deficient number, since it is larger than the sum of its proper divisors (1140357167).

12442234321 is a wasteful number, since it uses less digits than its factorization.

12442234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770423.

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

Adding to 12442234321 its reverse (12343224421), we get a palindrome (24785458742).

The spelling of 12442234321 in words is "twelve billion, four hundred forty-two million, two hundred thirty-four thousand, three hundred twenty-one".