12527215257 has 8 divisors (see below), whose sum is σ = 16725021376. Its totient is φ = 8340442992.

The previous prime is 12527215201. The next prime is 12527215271. The reversal of 12527215257 is 75251272521.

12527215257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12527215257 - 2¹⁰ = 12527214233 is a prime.

It is a super-2 number, since 2×12527215257² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12527215157) 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 7 ways as a sum of consecutive naturals, for example, 2755813 + ... + 2760354.

It is an arithmetic number, because the mean of its divisors is an integer number (2090627672).

Almost surely, 2^12527215257 is an apocalyptic number.

It is an amenable number.

12527215257 is a deficient number, since it is larger than the sum of its proper divisors (4197806119).

12527215257 is an equidigital number, since it uses as much as digits as its factorization.

12527215257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516927.

The product of its digits is 98000, while the sum is 39.

Adding to 12527215257 its reverse (75251272521), we get a palindrome (87778487778).

The spelling of 12527215257 in words is "twelve billion, five hundred twenty-seven million, two hundred fifteen thousand, two hundred fifty-seven".