12432233571 has 4 divisors (see below), whose sum is σ = 16576311432. Its totient is φ = 8288155712.

The previous prime is 12432233549. The next prime is 12432233579. The reversal of 12432233571 is 17533223421.

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 12432233571 - 2¹¹ = 12432231523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12432233579) 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, 2072038926 + ... + 2072038931.

It is an arithmetic number, because the mean of its divisors is an integer number (4144077858).

Almost surely, 2^12432233571 is an apocalyptic number.

12432233571 is a deficient number, since it is larger than the sum of its proper divisors (4144077861).

12432233571 is an equidigital number, since it uses as much as digits as its factorization.

12432233571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144077860.

The product of its digits is 30240, while the sum is 33.

Adding to 12432233571 its reverse (17533223421), we get a palindrome (29965456992).

The spelling of 12432233571 in words is "twelve billion, four hundred thirty-two million, two hundred thirty-three thousand, five hundred seventy-one".