12650865345 has 24 divisors (see below), whose sum is σ = 21944894400. Its totient is φ = 6741981216.

The previous prime is 12650865341. The next prime is 12650865391. The reversal of 12650865345 is 54356805621.

It is not a de Polignac number, because 12650865345 - 2² = 12650865341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12650865345.

It is not an unprimeable number, because it can be changed into a prime (12650865341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47215 + ... + 165924.

It is an arithmetic number, because the mean of its divisors is an integer number (914370600).

Almost surely, 2^12650865345 is an apocalyptic number.

12650865345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12650865345 is a deficient number, since it is larger than the sum of its proper divisors (9294029055).

12650865345 is a wasteful number, since it uses less digits than its factorization.

12650865345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214469 (or 214466 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 12650865345 in words is "twelve billion, six hundred fifty million, eight hundred sixty-five thousand, three hundred forty-five".