122365312085 has 4 divisors (see below), whose sum is σ = 146838374508. Its totient is φ = 97892249664.

The previous prime is 122365312037. The next prime is 122365312093. The reversal of 122365312085 is 580213563221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57267361636 + 65097950449 = 239306^2 + 255143^2 .

It is a cyclic number.

It is not a de Polignac number, because 122365312085 - 2¹⁸ = 122365049941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236531204 + ... + 12236531213.

It is an arithmetic number, because the mean of its divisors is an integer number (36709593627).

Almost surely, 2^122365312085 is an apocalyptic number.

It is an amenable number.

122365312085 is a deficient number, since it is larger than the sum of its proper divisors (24473062423).

122365312085 is an equidigital number, since it uses as much as digits as its factorization.

122365312085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473062422.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 122365312085 in words is "one hundred twenty-two billion, three hundred sixty-five million, three hundred twelve thousand, eighty-five".