12207987872 has 12 divisors (see below), whose sum is σ = 24034476186. Its totient is φ = 6103993920.

The previous prime is 12207987821. The next prime is 12207987899. The reversal of 12207987872 is 27878970221.

12207987872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7914593296 + 4293394576 = 88964^2 + 65524^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 190749779 + ... + 190749842.

Almost surely, 2^12207987872 is an apocalyptic number.

It is an amenable number.

12207987872 is a deficient number, since it is larger than the sum of its proper divisors (11826488314).

12207987872 is an equidigital number, since it uses as much as digits as its factorization.

12207987872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381499631 (or 381499623 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 12207987872 in words is "twelve billion, two hundred seven million, nine hundred eighty-seven thousand, eight hundred seventy-two".