13406806668012 has 24 divisors (see below), whose sum is σ = 32291663373312. Its totient is φ = 4324776344400.

The previous prime is 13406806667987. The next prime is 13406806668019. The reversal of 13406806668012 is 21086660860431.

It is not an unprimeable number, because it can be changed into a prime (13406806668019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18019901064 + ... + 18019901807.

It is an arithmetic number, because the mean of its divisors is an integer number (1345485973888).

Almost surely, 2^{13406806668012} is an apocalyptic number.

13406806668012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13406806668012 is an abundant number, since it is smaller than the sum of its proper divisors (18884856705300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13406806668012 is a wasteful number, since it uses less digits than its factorization.

13406806668012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36039802909 (or 36039802907 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 13406806668012 in words is "thirteen trillion, four hundred six billion, eight hundred six million, six hundred sixty-eight thousand, twelve".