171147012 has 12 divisors (see below), whose sum is σ = 399343056. Its totient is φ = 57049000.

The previous prime is 171146999. The next prime is 171147013. The reversal of 171147012 is 210741171.

171147012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (171147013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131114 + ... + 7131137.

It is an arithmetic number, because the mean of its divisors is an integer number (33278588).

Almost surely, 2^171147012 is an apocalyptic number.

171147012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171147012 is an abundant number, since it is smaller than the sum of its proper divisors (228196044).

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

171147012 is a wasteful number, since it uses less digits than its factorization.

171147012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262258 (or 14262256 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 171147012 is about 13082.3167673008. The cubic root of 171147012 is about 555.2089271030.

Adding to 171147012 its reverse (210741171), we get a palindrome (381888183).

The spelling of 171147012 in words is "one hundred seventy-one million, one hundred forty-seven thousand, twelve".