12533412505 has 8 divisors (see below), whose sum is σ = 15044097600. Its totient is φ = 10024061616.

The previous prime is 12533412439. The next prime is 12533412533. The reversal of 12533412505 is 50521433521.

12533412505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12533412505 - 2¹⁵ = 12533379737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312765 + ... + 350554.

It is an arithmetic number, because the mean of its divisors is an integer number (1880512200).

Almost surely, 2^12533412505 is an apocalyptic number.

It is an amenable number.

12533412505 is a deficient number, since it is larger than the sum of its proper divisors (2510685095).

12533412505 is an equidigital number, since it uses as much as digits as its factorization.

12533412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667103.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 12533412505 in words is "twelve billion, five hundred thirty-three million, four hundred twelve thousand, five hundred five".