12801824766 has 16 divisors (see below), whose sum is σ = 28448499600. Its totient is φ = 4267274904.

The previous prime is 12801824741. The next prime is 12801824803. The reversal of 12801824766 is 66742810821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118535361 + ... + 118535468.

It is an arithmetic number, because the mean of its divisors is an integer number (1778031225).

Almost surely, 2^12801824766 is an apocalyptic number.

12801824766 is an abundant number, since it is smaller than the sum of its proper divisors (15646674834).

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

12801824766 is a wasteful number, since it uses less digits than its factorization.

12801824766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237070840 (or 237070834 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 12801824766 in words is "twelve billion, eight hundred one million, eight hundred twenty-four thousand, seven hundred sixty-six".