172206123332 has 6 divisors (see below), whose sum is σ = 301360715838. Its totient is φ = 86103061664.

The previous prime is 172206123289. The next prime is 172206123359. The reversal of 172206123332 is 233321602271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88022582596 + 84183540736 = 296686^2 + 290144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21525765413 + ... + 21525765420.

It is an arithmetic number, because the mean of its divisors is an integer number (50226785973).

Almost surely, 2^172206123332 is an apocalyptic number.

It is an amenable number.

172206123332 is a deficient number, since it is larger than the sum of its proper divisors (129154592506).

172206123332 is a wasteful number, since it uses less digits than its factorization.

172206123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43051530837 (or 43051530835 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 172206123332 in words is "one hundred seventy-two billion, two hundred six million, one hundred twenty-three thousand, three hundred thirty-two".