12745880205 has 8 divisors (see below), whose sum is σ = 20393408352. Its totient is φ = 6797802768.

The previous prime is 12745880179. The next prime is 12745880209. The reversal of 12745880205 is 50208854721.

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

It is not a de Polignac number, because 12745880205 - 2¹² = 12745876109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745880209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424862659 + ... + 424862688.

It is an arithmetic number, because the mean of its divisors is an integer number (2549176044).

Almost surely, 2^12745880205 is an apocalyptic number.

12745880205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12745880205 is a deficient number, since it is larger than the sum of its proper divisors (7647528147).

12745880205 is an equidigital number, since it uses as much as digits as its factorization.

12745880205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849725355.

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 12745880205 in words is "twelve billion, seven hundred forty-five million, eight hundred eighty thousand, two hundred five".