12966136573776 has 20 divisors (see below), whose sum is σ = 33495852815712. Its totient is φ = 4322045524576.

The previous prime is 12966136573763. The next prime is 12966136573777. The reversal of 12966136573776 is 67737563166921.

It is a self number, because there is not a number n which added to its sum of digits gives 12966136573776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966136573777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135063922596 + ... + 135063922691.

Almost surely, 2^{12966136573776} is an apocalyptic number.

12966136573776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12966136573776 is an abundant number, since it is smaller than the sum of its proper divisors (20529716241936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12966136573776 is a wasteful number, since it uses less digits than its factorization.

12966136573776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270127845298 (or 270127845292 counting only the distinct ones).

The product of its digits is 360067680, while the sum is 69.

The spelling of 12966136573776 in words is "twelve trillion, nine hundred sixty-six billion, one hundred thirty-six million, five hundred seventy-three thousand, seven hundred seventy-six".