172112248347 has 32 divisors (see below), whose sum is σ = 247646031360. Its totient is φ = 105696714240.

The previous prime is 172112248339. The next prime is 172112248433. The reversal of 172112248347 is 743842211271.

It is not a de Polignac number, because 172112248347 - 2³ = 172112248339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172112248299 and 172112248308.

It is not an unprimeable number, because it can be changed into a prime (172112248307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55144947 + ... + 55148067.

It is an arithmetic number, because the mean of its divisors is an integer number (7738938480).

Almost surely, 2^172112248347 is an apocalyptic number.

172112248347 is a deficient number, since it is larger than the sum of its proper divisors (75533783013).

172112248347 is a wasteful number, since it uses less digits than its factorization.

172112248347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its digits is 150528, while the sum is 42.

The spelling of 172112248347 in words is "one hundred seventy-two billion, one hundred twelve million, two hundred forty-eight thousand, three hundred forty-seven".