12533003121 has 8 divisors (see below), whose sum is σ = 17025966720. Its totient is φ = 8197687472.

The previous prime is 12533003089. The next prime is 12533003191. The reversal of 12533003121 is 12130033521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12533003121 - 2⁵ = 12533003089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12533003191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39411801 + ... + 39412118.

It is an arithmetic number, because the mean of its divisors is an integer number (2128245840).

Almost surely, 2^12533003121 is an apocalyptic number.

It is an amenable number.

12533003121 is a deficient number, since it is larger than the sum of its proper divisors (4492963599).

12533003121 is an equidigital number, since it uses as much as digits as its factorization.

12533003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78823975.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 12533003121 its reverse (12130033521), we get a palindrome (24663036642).

The spelling of 12533003121 in words is "twelve billion, five hundred thirty-three million, three thousand, one hundred twenty-one".