122208567872 has 112 divisors (see below), whose sum is σ = 258886756800. Its totient is φ = 57071370240.

The previous prime is 122208567869. The next prime is 122208567889. The reversal of 122208567872 is 278765802221.

It is a super-2 number, since 2×122208567872² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122208567872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64693904 + ... + 64695792.

It is an arithmetic number, because the mean of its divisors is an integer number (2311488900).

Almost surely, 2^122208567872 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 122208567872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129443378400).

122208567872 is an abundant number, since it is smaller than the sum of its proper divisors (136678188928).

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

122208567872 is a wasteful number, since it uses less digits than its factorization.

122208567872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 122208567872 in words is "one hundred twenty-two billion, two hundred eight million, five hundred sixty-seven thousand, eight hundred seventy-two".