12642848562651 has 16 divisors (see below), whose sum is σ = 16895071872000. Its totient is φ = 8409596364288.

The previous prime is 12642848562647. The next prime is 12642848562661. The reversal of 12642848562651 is 15626584824621.

It is not a de Polignac number, because 12642848562651 - 2² = 12642848562647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12642848562661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77612250 + ... + 77774976.

It is an arithmetic number, because the mean of its divisors is an integer number (1055941992000).

Almost surely, 2^{12642848562651} is an apocalyptic number.

12642848562651 is a deficient number, since it is larger than the sum of its proper divisors (4252223309349).

12642848562651 is a wasteful number, since it uses less digits than its factorization.

12642848562651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220858.

The product of its digits is 44236800, while the sum is 60.

The spelling of 12642848562651 in words is "twelve trillion, six hundred forty-two billion, eight hundred forty-eight million, five hundred sixty-two thousand, six hundred fifty-one".