12184232887 has 2 divisors, whose sum is σ = 12184232888. Its totient is φ = 12184232886.

The previous prime is 12184232857. The next prime is 12184232891. The reversal of 12184232887 is 78823248121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12184232887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12184232857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092116443 + 6092116444.

It is an arithmetic number, because the mean of its divisors is an integer number (6092116444).

Almost surely, 2^12184232887 is an apocalyptic number.

12184232887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12184232887 is an equidigital number, since it uses as much as digits as its factorization.

12184232887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 46.

The spelling of 12184232887 in words is "twelve billion, one hundred eighty-four million, two hundred thirty-two thousand, eight hundred eighty-seven".