122203220323220 has 12 divisors (see below), whose sum is σ = 256626762678804. Its totient is φ = 48881288129280.

The previous prime is 122203220323141. The next prime is 122203220323243. The reversal of 122203220323220 is 22323022302221.

It can be written as a sum of positive squares in 2 ways, for example, as 52888470822916 + 69314749500304 = 7272446^2 + 8325548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122203220323220.

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, 3055080508061 + ... + 3055080508100.

It is an arithmetic number, because the mean of its divisors is an integer number (21385563556567).

Almost surely, 2^{122203220323220} is an apocalyptic number.

122203220323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122203220323220 is an abundant number, since it is smaller than the sum of its proper divisors (134423542355584).

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

122203220323220 is a wasteful number, since it uses less digits than its factorization.

122203220323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110161016170 (or 6110161016168 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 122203220323220 its reverse (22323022302221), we get a palindrome (144526242625441).

The spelling of 122203220323220 in words is "one hundred twenty-two trillion, two hundred three billion, two hundred twenty million, three hundred twenty-three thousand, two hundred twenty".