12534130215 has 32 divisors (see below), whose sum is σ = 22660588800. Its totient is φ = 6571562400.

The previous prime is 12534130201. The next prime is 12534130229. The reversal of 12534130215 is 51203143521.

12534130215 is a `hidden beast` number, since 1 + 2 + 5 + 341 + 302 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (12534130201) and next prime (12534130229).

It is not a de Polignac number, because 12534130215 - 2¹⁰ = 12534129191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 778861 + ... + 794790.

It is an arithmetic number, because the mean of its divisors is an integer number (708143400).

Almost surely, 2^12534130215 is an apocalyptic number.

12534130215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12534130215 is a deficient number, since it is larger than the sum of its proper divisors (10126458585).

12534130215 is a wasteful number, since it uses less digits than its factorization.

12534130215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573724 (or 1573718 counting only the distinct ones).

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

Adding to 12534130215 its reverse (51203143521), we get a palindrome (63737273736).

The spelling of 12534130215 in words is "twelve billion, five hundred thirty-four million, one hundred thirty thousand, two hundred fifteen".