12499312582 has 4 divisors (see below), whose sum is σ = 18748968876. Its totient is φ = 6249656290.

The previous prime is 12499312571. The next prime is 12499312589. The reversal of 12499312582 is 28521399421.

12499312582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499312589) by changing a digit.

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 as a sum of consecutive naturals, namely, 3124828144 + ... + 3124828147.

It is an arithmetic number, because the mean of its divisors is an integer number (4687242219).

Almost surely, 2^12499312582 is an apocalyptic number.

12499312582 is a deficient number, since it is larger than the sum of its proper divisors (6249656294).

12499312582 is an equidigital number, since it uses as much as digits as its factorization.

12499312582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249656293.

The product of its digits is 311040, while the sum is 46.

The spelling of 12499312582 in words is "twelve billion, four hundred ninety-nine million, three hundred twelve thousand, five hundred eighty-two".