12315324501 has 12 divisors (see below), whose sum is σ = 18835202412. Its totient is φ = 7727262336.

The previous prime is 12315324481. The next prime is 12315324503. The reversal of 12315324501 is 10542351321.

12315324501 is a `hidden beast` number, since 1 + 2 + 3 + 153 + 2 + 4 + 501 = 666.

12315324501 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 5238140625 + 7077183876 = 72375^2 + 84126^2 .

It is not a de Polignac number, because 12315324501 - 2²¹ = 12313227349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315324503) 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 11 ways as a sum of consecutive naturals, for example, 40246006 + ... + 40246311.

It is an arithmetic number, because the mean of its divisors is an integer number (1569600201).

Almost surely, 2^12315324501 is an apocalyptic number.

It is an amenable number.

12315324501 is a deficient number, since it is larger than the sum of its proper divisors (6519877911).

12315324501 is a wasteful number, since it uses less digits than its factorization.

12315324501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80492340 (or 80492337 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 12315324501 its reverse (10542351321), we get a palindrome (22857675822).

The spelling of 12315324501 in words is "twelve billion, three hundred fifteen million, three hundred twenty-four thousand, five hundred one".