12536223116 has 24 divisors (see below), whose sum is σ = 22077812736. Its totient is φ = 6228350480.

The previous prime is 12536223107. The next prime is 12536223131. The reversal of 12536223116 is 61132263521.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 714845 + ... + 732171.

It is an arithmetic number, because the mean of its divisors is an integer number (919908864).

Almost surely, 2^12536223116 is an apocalyptic number.

It is an amenable number.

12536223116 is a deficient number, since it is larger than the sum of its proper divisors (9541589620).

12536223116 is a wasteful number, since it uses less digits than its factorization.

12536223116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469 (or 18467 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

Adding to 12536223116 its reverse (61132263521), we get a palindrome (73668486637).

The spelling of 12536223116 in words is "twelve billion, five hundred thirty-six million, two hundred twenty-three thousand, one hundred sixteen".