173112621313252 has 24 divisors (see below), whose sum is σ = 303036522457536. Its totient is φ = 86530758685728.

The previous prime is 173112621313243. The next prime is 173112621313259. The reversal of 173112621313252 is 252313126211371.

It is a super-2 number, since 2×173112621313252² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (173112621313259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159241863 + ... + 1159391185.

It is an arithmetic number, because the mean of its divisors is an integer number (12626521769064).

Almost surely, 2^{173112621313252} is an apocalyptic number.

It is an amenable number.

173112621313252 is a deficient number, since it is larger than the sum of its proper divisors (129923901144284).

173112621313252 is a wasteful number, since it uses less digits than its factorization.

173112621313252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232947 (or 232945 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 173112621313252 in words is "one hundred seventy-three trillion, one hundred twelve billion, six hundred twenty-one million, three hundred thirteen thousand, two hundred fifty-two".