12223421243 has 8 divisors (see below), whose sum is σ = 14119032240. Its totient is φ = 10458542080.

The previous prime is 12223421237. The next prime is 12223421251. The reversal of 12223421243 is 34212432221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223421243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223421233) 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, 32682758 + ... + 32683131.

It is an arithmetic number, because the mean of its divisors is an integer number (1764879030).

Almost surely, 2^12223421243 is an apocalyptic number.

12223421243 is a deficient number, since it is larger than the sum of its proper divisors (1895610997).

12223421243 is a wasteful number, since it uses less digits than its factorization.

12223421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65365917.

The product of its digits is 4608, while the sum is 26.

Adding to 12223421243 its reverse (34212432221), we get a palindrome (46435853464).

The spelling of 12223421243 in words is "twelve billion, two hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-three".