12158784346 has 8 divisors (see below), whose sum is σ = 18242595360. Its totient is φ = 6077919228.

The previous prime is 12158784329. The next prime is 12158784359. The reversal of 12158784346 is 64348785121.

12158784346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12158784346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726126 + ... + 742681.

It is an arithmetic number, because the mean of its divisors is an integer number (2280324420).

Almost surely, 2^12158784346 is an apocalyptic number.

12158784346 is a deficient number, since it is larger than the sum of its proper divisors (6083811014).

12158784346 is a wasteful number, since it uses less digits than its factorization.

12158784346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472948.

The product of its digits is 1290240, while the sum is 49.

The spelling of 12158784346 in words is "twelve billion, one hundred fifty-eight million, seven hundred eighty-four thousand, three hundred forty-six".