12635261112 has 32 divisors (see below), whose sum is σ = 32123548800. Its totient is φ = 4140367584.

The previous prime is 12635261087. The next prime is 12635261153. The reversal of 12635261112 is 21116253621.

12635261112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12635261112.

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, 4460188 + ... + 4463019.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860900).

Almost surely, 2^12635261112 is an apocalyptic number.

12635261112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12635261112 is an abundant number, since it is smaller than the sum of its proper divisors (19488287688).

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

12635261112 is a wasteful number, since it uses less digits than its factorization.

12635261112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923275 (or 8923271 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The spelling of 12635261112 in words is "twelve billion, six hundred thirty-five million, two hundred sixty-one thousand, one hundred twelve".