122165162116 has 12 divisors (see below), whose sum is σ = 213801447132. Its totient is φ = 61079034368.

The previous prime is 122165162099. The next prime is 122165162129. The reversal of 122165162116 is 611261561221.

It can be written as a sum of positive squares in 2 ways, for example, as 56477522500 + 65687639616 = 237650^2 + 256296^2 .

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, 808405 + ... + 947548.

It is an arithmetic number, because the mean of its divisors is an integer number (17816787261).

Almost surely, 2^122165162116 is an apocalyptic number.

It is an amenable number.

122165162116 is a deficient number, since it is larger than the sum of its proper divisors (91636285016).

122165162116 is a wasteful number, since it uses less digits than its factorization.

122165162116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773350 (or 1773348 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The spelling of 122165162116 in words is "one hundred twenty-two billion, one hundred sixty-five million, one hundred sixty-two thousand, one hundred sixteen".