12180867107 has 4 divisors (see below), whose sum is σ = 12573798336. Its totient is φ = 11787935880.

The previous prime is 12180867103. The next prime is 12180867113. The reversal of 12180867107 is 70176808121.

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

It is a cyclic number.

It is not a de Polignac number, because 12180867107 - 2² = 12180867103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12180867103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196465568 + ... + 196465629.

It is an arithmetic number, because the mean of its divisors is an integer number (3143449584).

Almost surely, 2^12180867107 is an apocalyptic number.

12180867107 is a deficient number, since it is larger than the sum of its proper divisors (392931229).

12180867107 is an equidigital number, since it uses as much as digits as its factorization.

12180867107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392931228.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 12180867107 in words is "twelve billion, one hundred eighty million, eight hundred sixty-seven thousand, one hundred seven".