122172348845 has 8 divisors (see below), whose sum is σ = 150016279776. Its totient is φ = 95464904976.

The previous prime is 122172348803. The next prime is 122172348889. The reversal of 122172348845 is 548843271221.

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 122172348845 - 2¹⁰ = 122172347821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122172348845.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 284121527 + ... + 284121956.

It is an arithmetic number, because the mean of its divisors is an integer number (18752034972).

Almost surely, 2^122172348845 is an apocalyptic number.

It is an amenable number.

122172348845 is a deficient number, since it is larger than the sum of its proper divisors (27843930931).

122172348845 is an equidigital number, since it uses as much as digits as its factorization.

122172348845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568243531.

The product of its digits is 860160, while the sum is 47.

The spelling of 122172348845 in words is "one hundred twenty-two billion, one hundred seventy-two million, three hundred forty-eight thousand, eight hundred forty-five".