12418348805 has 4 divisors (see below), whose sum is σ = 14902018572. Its totient is φ = 9934679040.

The previous prime is 12418348783. The next prime is 12418348843. The reversal of 12418348805 is 50884381421.

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 3422016004 + 8996332801 = 58498^2 + 94849^2 .

It is not a de Polignac number, because 12418348805 - 2⁶ = 12418348741 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 3 ways as a sum of consecutive naturals, for example, 1241834876 + ... + 1241834885.

It is an arithmetic number, because the mean of its divisors is an integer number (3725504643).

Almost surely, 2^12418348805 is an apocalyptic number.

It is an amenable number.

12418348805 is a deficient number, since it is larger than the sum of its proper divisors (2483669767).

12418348805 is an equidigital number, since it uses as much as digits as its factorization.

12418348805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483669766.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 12418348805 in words is "twelve billion, four hundred eighteen million, three hundred forty-eight thousand, eight hundred five".