12278242318 has 8 divisors (see below), whose sum is σ = 18729522360. Its totient is φ = 6035068200.

The previous prime is 12278242309. The next prime is 12278242357. The reversal of 12278242318 is 81324287221.

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

It is a congruent number.

It is an unprimeable number.

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, 52026333 + ... + 52026568.

It is an arithmetic number, because the mean of its divisors is an integer number (2341190295).

Almost surely, 2^12278242318 is an apocalyptic number.

12278242318 is a deficient number, since it is larger than the sum of its proper divisors (6451280042).

12278242318 is a wasteful number, since it uses less digits than its factorization.

12278242318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104052962.

The product of its digits is 86016, while the sum is 40.

The spelling of 12278242318 in words is "twelve billion, two hundred seventy-eight million, two hundred forty-two thousand, three hundred eighteen".