12469826985 has 96 divisors (see below), whose sum is σ = 25391480832. Its totient is φ = 5167451520.

The previous prime is 12469826983. The next prime is 12469827023. The reversal of 12469826985 is 58962896421.

It is not a de Polignac number, because 12469826985 - 2¹ = 12469826983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12469826983) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3094542 + ... + 3098568.

It is an arithmetic number, because the mean of its divisors is an integer number (264494592).

Almost surely, 2^12469826985 is an apocalyptic number.

12469826985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12469826985 is an abundant number, since it is smaller than the sum of its proper divisors (12921653847).

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

12469826985 is a wasteful number, since it uses less digits than its factorization.

12469826985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443 (or 4436 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 12469826985 in words is "twelve billion, four hundred sixty-nine million, eight hundred twenty-six thousand, nine hundred eighty-five".