12886811080 has 128 divisors (see below), whose sum is σ = 34268572800. Its totient is φ = 4325318400.

The previous prime is 12886811071. The next prime is 12886811099. The reversal of 12886811080 is 8011868821.

It is a super-2 number, since 2×12886811080² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960015 + ... + 973345.

It is an arithmetic number, because the mean of its divisors is an integer number (267723225).

Almost surely, 2^12886811080 is an apocalyptic number.

12886811080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12886811080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17134286400).

12886811080 is an abundant number, since it is smaller than the sum of its proper divisors (21381761720).

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

12886811080 is a wasteful number, since it uses less digits than its factorization.

12886811080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392 (or 13362 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 43.

The spelling of 12886811080 in words is "twelve billion, eight hundred eighty-six million, eight hundred eleven thousand, eighty".