12218084326 has 16 divisors (see below), whose sum is σ = 20959979040. Its totient is φ = 5232648960.

The previous prime is 12218084323. The next prime is 12218084339. The reversal of 12218084326 is 62348081221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12218084323) 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, 285355 + ... + 325366.

It is an arithmetic number, because the mean of its divisors is an integer number (1309998690).

Almost surely, 2^12218084326 is an apocalyptic number.

12218084326 is a deficient number, since it is larger than the sum of its proper divisors (8741894714).

12218084326 is a wasteful number, since it uses less digits than its factorization.

12218084326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612159.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 12218084326 in words is "twelve billion, two hundred eighteen million, eighty-four thousand, three hundred twenty-six".