12289512134 has 8 divisors (see below), whose sum is σ = 18641395080. Its totient is φ = 6075713776.

The previous prime is 12289512127. The next prime is 12289512173. The reversal of 12289512134 is 43121598221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34520924 + ... + 34521279.

It is an arithmetic number, because the mean of its divisors is an integer number (2330174385).

Almost surely, 2^12289512134 is an apocalyptic number.

12289512134 is a deficient number, since it is larger than the sum of its proper divisors (6351882946).

12289512134 is an equidigital number, since it uses as much as digits as its factorization.

12289512134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69042294.

The product of its digits is 34560, while the sum is 38.

The spelling of 12289512134 in words is "twelve billion, two hundred eighty-nine million, five hundred twelve thousand, one hundred thirty-four".