171447618180012 has 12 divisors (see below), whose sum is σ = 400044442420056. Its totient is φ = 57149206060000.

The previous prime is 171447618179993. The next prime is 171447618180049. The reversal of 171447618180012 is 210081816744171.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7143650757489 + ... + 7143650757512.

It is an arithmetic number, because the mean of its divisors is an integer number (33337036868338).

Almost surely, 2^{171447618180012} is an apocalyptic number.

171447618180012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171447618180012 is an abundant number, since it is smaller than the sum of its proper divisors (228596824240044).

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

171447618180012 is a wasteful number, since it uses less digits than its factorization.

171447618180012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287301515008 (or 14287301515006 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 51.

The spelling of 171447618180012 in words is "one hundred seventy-one trillion, four hundred forty-seven billion, six hundred eighteen million, one hundred eighty thousand, twelve".