12120622208 has 72 divisors (see below), whose sum is σ = 24911518905. Its totient is φ = 5874098688.

The previous prime is 12120622193. The next prime is 12120622211. The reversal of 12120622208 is 80222602121.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9778836544 + 2341785664 = 98888^2 + 48392^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77848.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46085885 + ... + 46086147.

Almost surely, 2^12120622208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120622208

12120622208 is an abundant number, since it is smaller than the sum of its proper divisors (12790896697).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120622208 is an frugal number, since it uses more digits than its factorization.

12120622208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 12120622208 in words is "twelve billion, one hundred twenty million, six hundred twenty-two thousand, two hundred eight".