12963218013 has 24 divisors (see below), whose sum is σ = 19355132160. Its totient is φ = 8351916480.

The previous prime is 12963218011. The next prime is 12963218077. The reversal of 12963218013 is 31081236921.

12963218013 is a `hidden beast` number, since 1 + 2 + 9 + 632 + 1 + 8 + 0 + 13 = 666.

It is not a de Polignac number, because 12963218013 - 2¹ = 12963218011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963218011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174745 + ... + 237617.

It is an arithmetic number, because the mean of its divisors is an integer number (806463840).

Almost surely, 2^12963218013 is an apocalyptic number.

It is an amenable number.

12963218013 is a deficient number, since it is larger than the sum of its proper divisors (6391914147).

12963218013 is a wasteful number, since it uses less digits than its factorization.

12963218013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63649 (or 63646 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 12963218013 in words is "twelve billion, nine hundred sixty-three million, two hundred eighteen thousand, thirteen".