12221753306 has 64 divisors (see below), whose sum is σ = 22315499520. Its totient is φ = 4903778880.

The previous prime is 12221753239. The next prime is 12221753333. The reversal of 12221753306 is 60335712221.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 11181296 + ... + 11182388.

It is an arithmetic number, because the mean of its divisors is an integer number (348679680).

Almost surely, 2^12221753306 is an apocalyptic number.

12221753306 is a deficient number, since it is larger than the sum of its proper divisors (10093746214).

12221753306 is a wasteful number, since it uses less digits than its factorization.

12221753306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 12221753306 in words is "twelve billion, two hundred twenty-one million, seven hundred fifty-three thousand, three hundred six".