12563540422276 has 48 divisors (see below), whose sum is σ = 22868964832000. Its totient is φ = 6033907945728.

The previous prime is 12563540422247. The next prime is 12563540422309. The reversal of 12563540422276 is 67222404536521.

It is an unprimeable number.

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, 105741535 + ... + 105860281.

Almost surely, 2^{12563540422276} is an apocalyptic number.

It is an amenable number.

12563540422276 is a deficient number, since it is larger than the sum of its proper divisors (10305424409724).

12563540422276 is a wasteful number, since it uses less digits than its factorization.

12563540422276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127916 (or 127914 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

Adding to 12563540422276 its reverse (67222404536521), we get a palindrome (79785944958797).

The spelling of 12563540422276 in words is "twelve trillion, five hundred sixty-three billion, five hundred forty million, four hundred twenty-two thousand, two hundred seventy-six".