12585282407 has 4 divisors (see below), whose sum is σ = 12654814536. Its totient is φ = 12515750280.

The previous prime is 12585282401. The next prime is 12585282473. The reversal of 12585282407 is 70428258521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70428258521 = 59281 ⋅1188041.

It is a cyclic number.

It is not a de Polignac number, because 12585282407 - 2²² = 12581088103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12585282401) 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, 34765793 + ... + 34766154.

It is an arithmetic number, because the mean of its divisors is an integer number (3163703634).

Almost surely, 2^12585282407 is an apocalyptic number.

12585282407 is a deficient number, since it is larger than the sum of its proper divisors (69532129).

12585282407 is an equidigital number, since it uses as much as digits as its factorization.

12585282407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69532128.

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 12585282407 in words is "twelve billion, five hundred eighty-five million, two hundred eighty-two thousand, four hundred seven".