12613248250 has 32 divisors (see below), whose sum is σ = 23631089040. Its totient is φ = 5041220800.

The previous prime is 12613248223. The next prime is 12613248253. The reversal of 12613248250 is 5284231621.

It can be written as a sum of positive squares in 8 ways, for example, as 145515969 + 12467732281 = 12063^2 + 111659^2 .

It is a super-2 number, since 2×12613248250² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12613248253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299496 + ... + 339004.

Almost surely, 2^12613248250 is an apocalyptic number.

12613248250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12613248250 is a deficient number, since it is larger than the sum of its proper divisors (11017840790).

12613248250 is a wasteful number, since it uses less digits than its factorization.

12613248250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40803 (or 40793 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 12613248250 its reverse (5284231621), we get a palindrome (17897479871).

The spelling of 12613248250 in words is "twelve billion, six hundred thirteen million, two hundred forty-eight thousand, two hundred fifty".