12982529665 has 48 divisors (see below), whose sum is σ = 19541934720. Its totient is φ = 8227941120.

The previous prime is 12982529657. The next prime is 12982529669. The reversal of 12982529665 is 56692528921.

It is not a de Polignac number, because 12982529665 - 2³ = 12982529657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12982529669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156844 + ... + 224866.

It is an arithmetic number, because the mean of its divisors is an integer number (407123640).

Almost surely, 2^12982529665 is an apocalyptic number.

It is an amenable number.

12982529665 is a deficient number, since it is larger than the sum of its proper divisors (6559405055).

12982529665 is a wasteful number, since it uses less digits than its factorization.

12982529665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68102 (or 68095 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The spelling of 12982529665 in words is "twelve billion, nine hundred eighty-two million, five hundred twenty-nine thousand, six hundred sixty-five".