12206718752 has 18 divisors (see below), whose sum is σ = 24033208059. Its totient is φ = 6103046880.

The previous prime is 12206718749. The next prime is 12206718761. The reversal of 12206718752 is 25781760221.

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 only one way, i.e., 6103359376 + 6103359376 = 78124^2 + 78124^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78124.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 615227 + ... + 634757.

Almost surely, 2^12206718752 is an apocalyptic number.

It is an amenable number.

12206718752 is a deficient number, since it is larger than the sum of its proper divisors (11826489307).

12206718752 is an frugal number, since it uses more digits than its factorization.

12206718752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39072 (or 19533 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 12206718752 in words is "twelve billion, two hundred six million, seven hundred eighteen thousand, seven hundred fifty-two".