12946100668018 has 16 divisors (see below), whose sum is σ = 22646240236800. Its totient is φ = 5548328857428.

The previous prime is 12946100667989. The next prime is 12946100668019. The reversal of 12946100668018 is 81086600164921.

It is a super-2 number, since 2×12946100668018² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12946100668019) 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, 9435932746 + ... + 9435934117.

It is an arithmetic number, because the mean of its divisors is an integer number (1415390014800).

Almost surely, 2^{12946100668018} is an apocalyptic number.

12946100668018 is a deficient number, since it is larger than the sum of its proper divisors (9700139568782).

12946100668018 is an equidigital number, since it uses as much as digits as its factorization.

12946100668018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18871866886 (or 18871866872 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 12946100668018 in words is "twelve trillion, nine hundred forty-six billion, one hundred million, six hundred sixty-eight thousand, eighteen".