173112310112 has 72 divisors (see below), whose sum is σ = 399580280064. Its totient is φ = 73606724352.

The previous prime is 173112310097. The next prime is 173112310171. The reversal of 173112310112 is 211013211371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235523 + ... + 633794.

It is an arithmetic number, because the mean of its divisors is an integer number (5549726112).

Almost surely, 2^173112310112 is an apocalyptic number.

It is an amenable number.

173112310112 is an abundant number, since it is smaller than the sum of its proper divisors (226467969952).

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

173112310112 is a wasteful number, since it uses less digits than its factorization.

173112310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869468 (or 869453 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 173112310112 its reverse (211013211371), we get a palindrome (384125521483).

The spelling of 173112310112 in words is "one hundred seventy-three billion, one hundred twelve million, three hundred ten thousand, one hundred twelve".