12340645375 has 8 divisors (see below), whose sum is σ = 15401125584. Its totient is φ = 9872516200.

The previous prime is 12340645367. The next prime is 12340645417. The reversal of 12340645375 is 57354604321.

It is a happy number.

It is not a de Polignac number, because 12340645375 - 2³ = 12340645367 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, 49362457 + ... + 49362706.

It is an arithmetic number, because the mean of its divisors is an integer number (1925140698).

Almost surely, 2^12340645375 is an apocalyptic number.

12340645375 is a deficient number, since it is larger than the sum of its proper divisors (3060480209).

12340645375 is an frugal number, since it uses more digits than its factorization.

12340645375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98725178 (or 98725168 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 12340645375 in words is "twelve billion, three hundred forty million, six hundred forty-five thousand, three hundred seventy-five".