172755005012 has 12 divisors (see below), whose sum is σ = 304068781716. Its totient is φ = 85878210240.

The previous prime is 172755005011. The next prime is 172755005021. The reversal of 172755005012 is 210500557271.

It can be written as a sum of positive squares in 2 ways, for example, as 92894505796 + 79860499216 = 304786^2 + 282596^2 .

It is a super-2 number, since 2×172755005012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172755005011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124822289 + ... + 124823672.

It is an arithmetic number, because the mean of its divisors is an integer number (25339065143).

Almost surely, 2^172755005012 is an apocalyptic number.

It is an amenable number.

172755005012 is a deficient number, since it is larger than the sum of its proper divisors (131313776704).

172755005012 is a wasteful number, since it uses less digits than its factorization.

172755005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249646138 (or 249646136 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The spelling of 172755005012 in words is "one hundred seventy-two billion, seven hundred fifty-five million, five thousand, twelve".