12318354147 has 8 divisors (see below), whose sum is σ = 17917606080. Its totient is φ = 7465669160.

The previous prime is 12318354143. The next prime is 12318354149. The reversal of 12318354147 is 74145381321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12318354147 - 2² = 12318354143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12318354143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186641697 + ... + 186641762.

It is an arithmetic number, because the mean of its divisors is an integer number (2239700760).

Almost surely, 2^12318354147 is an apocalyptic number.

12318354147 is a deficient number, since it is larger than the sum of its proper divisors (5599251933).

12318354147 is a wasteful number, since it uses less digits than its factorization.

12318354147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373283473.

The product of its digits is 80640, while the sum is 39.

The spelling of 12318354147 in words is "twelve billion, three hundred eighteen million, three hundred fifty-four thousand, one hundred forty-seven".