12533232043 has 4 divisors (see below), whose sum is σ = 12623399320. Its totient is φ = 12443064768.

The previous prime is 12533232001. The next prime is 12533232073. The reversal of 12533232043 is 34023233521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34023233521 = 29 ⋅1173214949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12533232043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12533232073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45083430 + ... + 45083707.

It is an arithmetic number, because the mean of its divisors is an integer number (3155849830).

Almost surely, 2^12533232043 is an apocalyptic number.

12533232043 is a deficient number, since it is larger than the sum of its proper divisors (90167277).

12533232043 is an equidigital number, since it uses as much as digits as its factorization.

12533232043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90167276.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 12533232043 its reverse (34023233521), we get a palindrome (46556465564).

The spelling of 12533232043 in words is "twelve billion, five hundred thirty-three million, two hundred thirty-two thousand, forty-three".