12432111233 has 4 divisors (see below), whose sum is σ = 12617665200. Its totient is φ = 12246557268.

The previous prime is 12432111199. The next prime is 12432111247. The reversal of 12432111233 is 33211123421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12432111233 - 2¹² = 12432107137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12432111199 and 12432111208.

It is not an unprimeable number, because it can be changed into a prime (12432117233) 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, 92776883 + ... + 92777016.

It is an arithmetic number, because the mean of its divisors is an integer number (3154416300).

Almost surely, 2^12432111233 is an apocalyptic number.

It is an amenable number.

12432111233 is a deficient number, since it is larger than the sum of its proper divisors (185553967).

12432111233 is an equidigital number, since it uses as much as digits as its factorization.

12432111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185553966.

The product of its digits is 864, while the sum is 23.

Adding to 12432111233 its reverse (33211123421), we get a palindrome (45643234654).

The spelling of 12432111233 in words is "twelve billion, four hundred thirty-two million, one hundred eleven thousand, two hundred thirty-three".