1232171520317 has 8 divisors (see below), whose sum is σ = 1232546098176. Its totient is φ = 1231797013552.

The previous prime is 1232171520313. The next prime is 1232171520347. The reversal of 1232171520317 is 7130251712321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232171520317 - 2² = 1232171520313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232171520313) 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, 62451308 + ... + 62471034.

It is an arithmetic number, because the mean of its divisors is an integer number (154068262272).

Almost surely, 2^{1232171520317} is an apocalyptic number.

It is an amenable number.

1232171520317 is a deficient number, since it is larger than the sum of its proper divisors (374577859).

1232171520317 is an equidigital number, since it uses as much as digits as its factorization.

1232171520317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35547.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 1232171520317 in words is "one trillion, two hundred thirty-two billion, one hundred seventy-one million, five hundred twenty thousand, three hundred seventeen".