12545235316 has 12 divisors (see below), whose sum is σ = 21956935140. Its totient is φ = 6271825280.

The previous prime is 12545235277. The next prime is 12545235319. The reversal of 12545235316 is 61353254521.

12545235316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9341222500 + 3204012816 = 96650^2 + 56604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545235319) 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 in 3 ways as a sum of consecutive naturals, for example, 161731 + ... + 226378.

It is an arithmetic number, because the mean of its divisors is an integer number (1829744595).

Almost surely, 2^12545235316 is an apocalyptic number.

It is an amenable number.

12545235316 is a deficient number, since it is larger than the sum of its proper divisors (9411699824).

12545235316 is a wasteful number, since it uses less digits than its factorization.

12545235316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396194 (or 396192 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

Adding to 12545235316 its reverse (61353254521), we get a palindrome (73898489837).

The spelling of 12545235316 in words is "twelve billion, five hundred forty-five million, two hundred thirty-five thousand, three hundred sixteen".