12630040256 has 14 divisors (see below), whose sum is σ = 25062736260. Its totient is φ = 6315020096.

The previous prime is 12630040237. The next prime is 12630040271. The reversal of 12630040256 is 65204003621.

12630040256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 98672126 + ... + 98672253.

Almost surely, 2^12630040256 is an apocalyptic number.

12630040256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12630040256 is a deficient number, since it is larger than the sum of its proper divisors (12432696004).

12630040256 is an equidigital number, since it uses as much as digits as its factorization.

12630040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197344391 (or 197344381 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12630040256 its reverse (65204003621), we get a palindrome (77834043877).

The spelling of 12630040256 in words is "twelve billion, six hundred thirty million, forty thousand, two hundred fifty-six".