12745248205 has 8 divisors (see below), whose sum is σ = 15295293792. Its totient is φ = 10195534608.

The previous prime is 12745248169. The next prime is 12745248223. The reversal of 12745248205 is 50284254721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12745248205 - 2²¹ = 12743151053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11182 + ... + 160048.

It is an arithmetic number, because the mean of its divisors is an integer number (1911911724).

Almost surely, 2^12745248205 is an apocalyptic number.

It is an amenable number.

12745248205 is a deficient number, since it is larger than the sum of its proper divisors (2550045587).

12745248205 is a wasteful number, since it uses less digits than its factorization.

12745248205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165995.

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 12745248205 in words is "twelve billion, seven hundred forty-five million, two hundred forty-eight thousand, two hundred five".