12534500216315 has 32 divisors (see below), whose sum is σ = 18766056927744. Its totient is φ = 7808238455040.

The previous prime is 12534500216291. The next prime is 12534500216347. The reversal of 12534500216315 is 51361200543521.

It is not a de Polignac number, because 12534500216315 - 2¹⁴ = 12534500199931 is a prime.

It is a super-2 number, since 2×12534500216315² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10858154 + ... + 11956943.

It is an arithmetic number, because the mean of its divisors is an integer number (586439278992).

Almost surely, 2^{12534500216315} is an apocalyptic number.

12534500216315 is a deficient number, since it is larger than the sum of its proper divisors (6231556711429).

12534500216315 is a wasteful number, since it uses less digits than its factorization.

12534500216315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816547.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 12534500216315 its reverse (51361200543521), we get a palindrome (63895700759836).

The spelling of 12534500216315 in words is "twelve trillion, five hundred thirty-four billion, five hundred million, two hundred sixteen thousand, three hundred fifteen".