12033452543 has 4 divisors (see below), whose sum is σ = 13752517200. Its totient is φ = 10314387888.

The previous prime is 12033452521. The next prime is 12033452549. The reversal of 12033452543 is 34525433021.

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

It is not a de Polignac number, because 12033452543 - 2¹² = 12033448447 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 (12033452549) 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, 859532318 + ... + 859532331.

It is an arithmetic number, because the mean of its divisors is an integer number (3438129300).

Almost surely, 2^12033452543 is an apocalyptic number.

12033452543 is a deficient number, since it is larger than the sum of its proper divisors (1719064657).

12033452543 is an equidigital number, since it uses as much as digits as its factorization.

12033452543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719064656.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 12033452543 its reverse (34525433021), we get a palindrome (46558885564).

The spelling of 12033452543 in words is "twelve billion, thirty-three million, four hundred fifty-two thousand, five hundred forty-three".