12452276656 has 10 divisors (see below), whose sum is σ = 24126286052. Its totient is φ = 6226138320.

The previous prime is 12452276653. The next prime is 12452276689. The reversal of 12452276656 is 65667225421.

It is a happy number.

12452276656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12452276653) by changing a digit.

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, 389133630 + ... + 389133661.

Almost surely, 2^12452276656 is an apocalyptic number.

12452276656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12452276656 is a deficient number, since it is larger than the sum of its proper divisors (11674009396).

12452276656 is an equidigital number, since it uses as much as digits as its factorization.

12452276656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778267299 (or 778267293 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The spelling of 12452276656 in words is "twelve billion, four hundred fifty-two million, two hundred seventy-six thousand, six hundred fifty-six".