12183266387 has 4 divisors (see below), whose sum is σ = 12187759800. Its totient is φ = 12178772976.

The previous prime is 12183266377. The next prime is 12183266413. The reversal of 12183266387 is 78366238121.

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 12183266387 - 2¹⁰ = 12183265363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12183266327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242637 + ... + 2248062.

It is an arithmetic number, because the mean of its divisors is an integer number (3046939950).

Almost surely, 2^12183266387 is an apocalyptic number.

12183266387 is a deficient number, since it is larger than the sum of its proper divisors (4493413).

12183266387 is an equidigital number, since it uses as much as digits as its factorization.

12183266387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493412.

The product of its digits is 580608, while the sum is 47.

The spelling of 12183266387 in words is "twelve billion, one hundred eighty-three million, two hundred sixty-six thousand, three hundred eighty-seven".