12634240305 has 64 divisors (see below), whose sum is σ = 20771868672. Its totient is φ = 6555893760.

The previous prime is 12634240303. The next prime is 12634240313. The reversal of 12634240305 is 50304243621.

12634240305 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 12634240305 - 2¹ = 12634240303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12634240301) 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 63 ways as a sum of consecutive naturals, for example, 40364829 + ... + 40365141.

It is an arithmetic number, because the mean of its divisors is an integer number (324560448).

Almost surely, 2^12634240305 is an apocalyptic number.

12634240305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12634240305 is a deficient number, since it is larger than the sum of its proper divisors (8137628367).

12634240305 is a wasteful number, since it uses less digits than its factorization.

12634240305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12634240305 its reverse (50304243621), we get a palindrome (62938483926).

The spelling of 12634240305 in words is "twelve billion, six hundred thirty-four million, two hundred forty thousand, three hundred five".