12640211410 has 16 divisors (see below), whose sum is σ = 22846793112. Its totient is φ = 5035104000.

The previous prime is 12640211401. The next prime is 12640211417. The reversal of 12640211410 is 1411204621.

12640211410 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 4 ways, for example, as 9831317409 + 2808894001 = 99153^2 + 52999^2 .

It is not an unprimeable number, because it can be changed into a prime (12640211417) 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 in 7 ways as a sum of consecutive naturals, for example, 2620041 + ... + 2624860.

Almost surely, 2^12640211410 is an apocalyptic number.

12640211410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12640211410 is a deficient number, since it is larger than the sum of its proper divisors (10206581702).

12640211410 is a wasteful number, since it uses less digits than its factorization.

12640211410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245149.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 12640211410 in words is "twelve billion, six hundred forty million, two hundred eleven thousand, four hundred ten".