122066817712 has 120 divisors (see below), whose sum is σ = 287892136224. Its totient is φ = 49094403072.

The previous prime is 122066817701. The next prime is 122066817713. The reversal of 122066817712 is 217718660221.

It is not an unprimeable number, because it can be changed into a prime (122066817713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3120708 + ... + 3159580.

Almost surely, 2^122066817712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122066817712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143946068112).

122066817712 is an abundant number, since it is smaller than the sum of its proper divisors (165825318512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122066817712 is a wasteful number, since it uses less digits than its factorization.

122066817712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38987 (or 38958 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 122066817712 in words is "one hundred twenty-two billion, sixty-six million, eight hundred seventeen thousand, seven hundred twelve".