12675659345 has 4 divisors (see below), whose sum is σ = 15210791220. Its totient is φ = 10140527472.

The previous prime is 12675659341. The next prime is 12675659351. The reversal of 12675659345 is 54395657621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1946221456 + 10729437889 = 44116^2 + 103583^2 .

It is a cyclic number.

It is not a de Polignac number, because 12675659345 - 2² = 12675659341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12675659341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267565930 + ... + 1267565939.

It is an arithmetic number, because the mean of its divisors is an integer number (3802697805).

Almost surely, 2^12675659345 is an apocalyptic number.

It is an amenable number.

12675659345 is a deficient number, since it is larger than the sum of its proper divisors (2535131875).

12675659345 is an equidigital number, since it uses as much as digits as its factorization.

12675659345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535131874.

The product of its digits is 6804000, while the sum is 53.

The spelling of 12675659345 in words is "twelve billion, six hundred seventy-five million, six hundred fifty-nine thousand, three hundred forty-five".