12309464105 has 4 divisors (see below), whose sum is σ = 14771356932. Its totient is φ = 9847571280.

The previous prime is 12309464099. The next prime is 12309464113. The reversal of 12309464105 is 50146490321.

12309464105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50146490321 = 27691 ⋅1810931.

It can be written as a sum of positive squares in 2 ways, for example, as 3119557609 + 9189906496 = 55853^2 + 95864^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12309464105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230946406 + ... + 1230946415.

It is an arithmetic number, because the mean of its divisors is an integer number (3692839233).

Almost surely, 2^12309464105 is an apocalyptic number.

It is an amenable number.

12309464105 is a deficient number, since it is larger than the sum of its proper divisors (2461892827).

12309464105 is an equidigital number, since it uses as much as digits as its factorization.

12309464105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461892826.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 12309464105 in words is "twelve billion, three hundred nine million, four hundred sixty-four thousand, one hundred five".