12717059072 has 66 divisors (see below), whose sum is σ = 26270240004. Its totient is φ = 6152939520.

The previous prime is 12717059071. The next prime is 12717059077. The reversal of 12717059072 is 27095071721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12717059071) 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 5 ways as a sum of consecutive naturals, for example, 977603 + ... + 990525.

Almost surely, 2^12717059072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12717059072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13135120002).

12717059072 is an abundant number, since it is smaller than the sum of its proper divisors (13553180932).

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

12717059072 is an equidigital number, since it uses as much as digits as its factorization.

12717059072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005 (or 12956 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 12717059072 in words is "twelve billion, seven hundred seventeen million, fifty-nine thousand, seventy-two".