12685182465 has 32 divisors (see below), whose sum is σ = 21016195200. Its totient is φ = 6525908480.

The previous prime is 12685182463. The next prime is 12685182493. The reversal of 12685182465 is 56428158621.

It is not a de Polignac number, because 12685182465 - 2¹ = 12685182463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12685182463) 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, 461221 + ... + 487949.

It is an arithmetic number, because the mean of its divisors is an integer number (656756100).

Almost surely, 2^12685182465 is an apocalyptic number.

12685182465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12685182465 is a deficient number, since it is larger than the sum of its proper divisors (8331012735).

12685182465 is a wasteful number, since it uses less digits than its factorization.

12685182465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27857.

The product of its digits is 921600, while the sum is 48.

The spelling of 12685182465 in words is "twelve billion, six hundred eighty-five million, one hundred eighty-two thousand, four hundred sixty-five".