12634353105 has 32 divisors (see below), whose sum is σ = 22271061888. Its totient is φ = 6065088000.

The previous prime is 12634353041. The next prime is 12634353133. The reversal of 12634353105 is 50135343621.

12634353105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12634353105 - 2⁶ = 12634353041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 362404 + ... + 395733.

It is an arithmetic number, because the mean of its divisors is an integer number (695970684).

Almost surely, 2^12634353105 is an apocalyptic number.

12634353105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12634353105 is a deficient number, since it is larger than the sum of its proper divisors (9636708783).

12634353105 is a wasteful number, since it uses less digits than its factorization.

12634353105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758257.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 12634353105 its reverse (50135343621), we get a palindrome (62769696726).

The spelling of 12634353105 in words is "twelve billion, six hundred thirty-four million, three hundred fifty-three thousand, one hundred five".