12382522985 has 32 divisors (see below), whose sum is σ = 18035281152. Its totient is φ = 7967139840.

The previous prime is 12382522981. The next prime is 12382522991. The reversal of 12382522985 is 58922528321.

It is not a de Polignac number, because 12382522985 - 2² = 12382522981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12382522981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165509 + ... + 228381.

It is an arithmetic number, because the mean of its divisors is an integer number (563602536).

Almost surely, 2^12382522985 is an apocalyptic number.

It is an amenable number.

12382522985 is a deficient number, since it is larger than the sum of its proper divisors (5652758167).

12382522985 is a wasteful number, since it uses less digits than its factorization.

12382522985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63233.

The product of its digits is 691200, while the sum is 47.

The spelling of 12382522985 in words is "twelve billion, three hundred eighty-two million, five hundred twenty-two thousand, nine hundred eighty-five".