171022071712 has 24 divisors (see below), whose sum is σ = 336767318496. Its totient is φ = 85493863872.

The previous prime is 171022071707. The next prime is 171022071817. The reversal of 171022071712 is 217170220171.

It is a super-2 number, since 2×171022071712² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374028 + ... + 694219.

It is an arithmetic number, because the mean of its divisors is an integer number (14031971604).

Almost surely, 2^171022071712 is an apocalyptic number.

It is an amenable number.

171022071712 is a deficient number, since it is larger than the sum of its proper divisors (165745246784).

171022071712 is a wasteful number, since it uses less digits than its factorization.

171022071712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073260 (or 1073252 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 31.

Adding to 171022071712 its reverse (217170220171), we get a palindrome (388192291883).

The spelling of 171022071712 in words is "one hundred seventy-one billion, twenty-two million, seventy-one thousand, seven hundred twelve".