12635104216 has 32 divisors (see below), whose sum is σ = 27519086880. Its totient is φ = 5326272000.

The previous prime is 12635104199. The next prime is 12635104249. The reversal of 12635104216 is 61240153621.

It is a happy number.

12635104216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1845985 + ... + 1852816.

It is an arithmetic number, because the mean of its divisors is an integer number (859971465).

Almost surely, 2^12635104216 is an apocalyptic number.

It is an amenable number.

12635104216 is an abundant number, since it is smaller than the sum of its proper divisors (14883982664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12635104216 is a wasteful number, since it uses less digits than its factorization.

12635104216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698875 (or 3698871 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12635104216 its reverse (61240153621), we get a palindrome (73875257837).

The spelling of 12635104216 in words is "twelve billion, six hundred thirty-five million, one hundred four thousand, two hundred sixteen".