12183812513 has 4 divisors (see below), whose sum is σ = 12187286208. Its totient is φ = 12180338820.

The previous prime is 12183812489. The next prime is 12183812521. The reversal of 12183812513 is 31521838121.

12183812513 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12183812513 - 2⁸ = 12183812257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12183811513) by changing a digit.

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, 1731581 + ... + 1738602.

It is an arithmetic number, because the mean of its divisors is an integer number (3046821552).

Almost surely, 2^12183812513 is an apocalyptic number.

It is an amenable number.

12183812513 is a deficient number, since it is larger than the sum of its proper divisors (3473695).

12183812513 is an equidigital number, since it uses as much as digits as its factorization.

12183812513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473694.

The product of its digits is 11520, while the sum is 35.

The spelling of 12183812513 in words is "twelve billion, one hundred eighty-three million, eight hundred twelve thousand, five hundred thirteen".