12289512133 has 4 divisors (see below), whose sum is σ = 12300515500. Its totient is φ = 12278508768.

The previous prime is 12289512127. The next prime is 12289512173. The reversal of 12289512133 is 33121598221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2641754404 + 9647757729 = 51398^2 + 98223^2 .

It is a cyclic number.

It is not a de Polignac number, because 12289512133 - 2¹⁷ = 12289381061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12289512092 and 12289512101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12289512173) 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, 5500008 + ... + 5502241.

It is an arithmetic number, because the mean of its divisors is an integer number (3075128875).

Almost surely, 2^12289512133 is an apocalyptic number.

It is an amenable number.

12289512133 is a deficient number, since it is larger than the sum of its proper divisors (11003367).

12289512133 is a wasteful number, since it uses less digits than its factorization.

12289512133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003366.

The product of its digits is 25920, while the sum is 37.

The spelling of 12289512133 in words is "twelve billion, two hundred eighty-nine million, five hundred twelve thousand, one hundred thirty-three".