172683905012 has 12 divisors (see below), whose sum is σ = 302216110560. Its totient is φ = 86336444856.

The previous prime is 172683904999. The next prime is 172683905027. The reversal of 172683905012 is 210509386271.

It is a congruent number.

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, 1305962 + ... + 1432097.

It is an arithmetic number, because the mean of its divisors is an integer number (25184675880).

Almost surely, 2^172683905012 is an apocalyptic number.

It is an amenable number.

172683905012 is a deficient number, since it is larger than the sum of its proper divisors (129532205548).

172683905012 is a wasteful number, since it uses less digits than its factorization.

172683905012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753830 (or 2753828 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 172683905012 in words is "one hundred seventy-two billion, six hundred eighty-three million, nine hundred five thousand, twelve".