12791808882 has 96 divisors (see below), whose sum is σ = 30484097280. Its totient is φ = 3858624000.

The previous prime is 12791808871. The next prime is 12791808889. The reversal of 12791808882 is 28880819721.

It is a super-2 number, since 2×12791808882² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12791808889) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2224503 + ... + 2230245.

It is an arithmetic number, because the mean of its divisors is an integer number (317542680).

Almost surely, 2^12791808882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12791808882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15242048640).

12791808882 is an abundant number, since it is smaller than the sum of its proper divisors (17692288398).

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

12791808882 is a wasteful number, since it uses less digits than its factorization.

12791808882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048 (or 6045 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 12791808882 in words is "twelve billion, seven hundred ninety-one million, eight hundred eight thousand, eight hundred eighty-two".