12663215251364 has 24 divisors (see below), whose sum is σ = 22247283940728. Its totient is φ = 6306894478080.

The previous prime is 12663215251363. The next prime is 12663215251387. The reversal of 12663215251364 is 46315251236621.

It can be written as a sum of positive squares in 4 ways, for example, as 12332102500 + 12650883148864 = 111050^2 + 3556808^2 .

It is not an unprimeable number, because it can be changed into a prime (12663215251363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658177 + ... + 6857480.

It is an arithmetic number, because the mean of its divisors is an integer number (926970164197).

Almost surely, 2^{12663215251364} is an apocalyptic number.

It is an amenable number.

12663215251364 is a deficient number, since it is larger than the sum of its proper divisors (9584068689364).

12663215251364 is a wasteful number, since it uses less digits than its factorization.

12663215251364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516735 (or 11516733 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

Adding to 12663215251364 its reverse (46315251236621), we get a palindrome (58978466487985).

The spelling of 12663215251364 in words is "twelve trillion, six hundred sixty-three billion, two hundred fifteen million, two hundred fifty-one thousand, three hundred sixty-four".