12318368087 has 4 divisors (see below), whose sum is σ = 12321377400. Its totient is φ = 12315358776.

The previous prime is 12318368033. The next prime is 12318368093. The reversal of 12318368087 is 78086381321.

It is a happy number.

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 12318368087 - 2²² = 12314173783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318368017) 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, 1498508 + ... + 1506705.

It is an arithmetic number, because the mean of its divisors is an integer number (3080344350).

Almost surely, 2^12318368087 is an apocalyptic number.

12318368087 is a deficient number, since it is larger than the sum of its proper divisors (3009313).

12318368087 is an equidigital number, since it uses as much as digits as its factorization.

12318368087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009312.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 12318368087 in words is "twelve billion, three hundred eighteen million, three hundred sixty-eight thousand, eighty-seven".