12318354146 has 8 divisors (see below), whose sum is σ = 21117178560. Its totient is φ = 5279294628.

The previous prime is 12318354143. The next prime is 12318354149. The reversal of 12318354146 is 64145381321.

It is an interprime number because it is at equal distance from previous prime (12318354143) and next prime (12318354149).

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

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439941206 + ... + 439941233.

It is an arithmetic number, because the mean of its divisors is an integer number (2639647320).

Almost surely, 2^12318354146 is an apocalyptic number.

12318354146 is a deficient number, since it is larger than the sum of its proper divisors (8798824414).

12318354146 is an equidigital number, since it uses as much as digits as its factorization.

12318354146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879882448.

The product of its digits is 69120, while the sum is 38.

The spelling of 12318354146 in words is "twelve billion, three hundred eighteen million, three hundred fifty-four thousand, one hundred forty-six".