12711447800 has 24 divisors (see below), whose sum is σ = 29554116600. Its totient is φ = 5084579040.

The previous prime is 12711447799. The next prime is 12711447817. The reversal of 12711447800 is 874411721.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 31778420 + ... + 31778819.

It is an arithmetic number, because the mean of its divisors is an integer number (1231421525).

Almost surely, 2^12711447800 is an apocalyptic number.

12711447800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12711447800 is an abundant number, since it is smaller than the sum of its proper divisors (16842668800).

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

12711447800 is a wasteful number, since it uses less digits than its factorization.

12711447800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557255 (or 63557246 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The spelling of 12711447800 in words is "twelve billion, seven hundred eleven million, four hundred forty-seven thousand, eight hundred".