12229432543 has 4 divisors (see below), whose sum is σ = 12229665768. Its totient is φ = 12229199320.

The previous prime is 12229432541. The next prime is 12229432577. The reversal of 12229432543 is 34523492221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12229432543 - 2¹ = 12229432541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229432541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808 + ... + 156418.

It is an arithmetic number, because the mean of its divisors is an integer number (3057416442).

Almost surely, 2^12229432543 is an apocalyptic number.

12229432543 is a deficient number, since it is larger than the sum of its proper divisors (233225).

12229432543 is an equidigital number, since it uses as much as digits as its factorization.

12229432543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233224.

The product of its digits is 103680, while the sum is 37.

The spelling of 12229432543 in words is "twelve billion, two hundred twenty-nine million, four hundred thirty-two thousand, five hundred forty-three".