12304422011218 has 4 divisors (see below), whose sum is σ = 18456633016830. Its totient is φ = 6152211005608.

The previous prime is 12304422011179. The next prime is 12304422011221. The reversal of 12304422011218 is 81211022440321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9743868381289 + 2560553629929 = 3121517^2 + 1600173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12304422011218.

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 as a sum of consecutive naturals, namely, 3076105502803 + ... + 3076105502806.

Almost surely, 2^{12304422011218} is an apocalyptic number.

12304422011218 is a deficient number, since it is larger than the sum of its proper divisors (6152211005612).

12304422011218 is an equidigital number, since it uses as much as digits as its factorization.

12304422011218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152211005611.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 12304422011218 its reverse (81211022440321), we get a palindrome (93515444451539).

The spelling of 12304422011218 in words is "twelve trillion, three hundred four billion, four hundred twenty-two million, eleven thousand, two hundred eighteen".