12250134513 has 6 divisors (see below), whose sum is σ = 17694638754. Its totient is φ = 8166756336.

The previous prime is 12250134511. The next prime is 12250134521. The reversal of 12250134513 is 31543105221.

12250134513 is a `hidden beast` number, since 12 + 2 + 5 + 0 + 134 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11545072704 + 705061809 = 107448^2 + 26553^2 .

It is not a de Polignac number, because 12250134513 - 2¹ = 12250134511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12250134511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680563020 + ... + 680563037.

It is an arithmetic number, because the mean of its divisors is an integer number (2949106459).

Almost surely, 2^12250134513 is an apocalyptic number.

It is an amenable number.

12250134513 is a deficient number, since it is larger than the sum of its proper divisors (5444504241).

12250134513 is a wasteful number, since it uses less digits than its factorization.

12250134513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361126063 (or 1361126060 counting only the distinct ones).

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

Adding to 12250134513 its reverse (31543105221), we get a palindrome (43793239734).

The spelling of 12250134513 in words is "twelve billion, two hundred fifty million, one hundred thirty-four thousand, five hundred thirteen".