12345667895 has 16 divisors (see below), whose sum is σ = 16505468928. Its totient is φ = 8787630240.

The previous prime is 12345667879. The next prime is 12345667907. The reversal of 12345667895 is 59876654321.

It is not a de Polignac number, because 12345667895 - 2⁴ = 12345667879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12345667895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2385359 + ... + 2390528.

It is an arithmetic number, because the mean of its divisors is an integer number (1031591808).

Almost surely, 2^12345667895 is an apocalyptic number.

12345667895 is a deficient number, since it is larger than the sum of its proper divisors (4159801033).

12345667895 is a wasteful number, since it uses less digits than its factorization.

12345667895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775950.

The product of its digits is 10886400, while the sum is 56.

The spelling of 12345667895 in words is "twelve billion, three hundred forty-five million, six hundred sixty-seven thousand, eight hundred ninety-five".