122322100000 has 144 divisors (see below), whose sum is σ = 308018785536. Its totient is φ = 47789280000.

The previous prime is 122322099961. The next prime is 122322100007. The reversal of 122322100000 is 1223221.

It is a super-2 number, since 2×122322100000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122322100007) 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, 4285777 + ... + 4314223.

It is an arithmetic number, because the mean of its divisors is an integer number (2139019344).

Almost surely, 2^122322100000 is an apocalyptic number.

122322100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122322100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154009392768).

122322100000 is an abundant number, since it is smaller than the sum of its proper divisors (185696685536).

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

122322100000 is an frugal number, since it uses more digits than its factorization.

122322100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28525 (or 28497 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 122322100000 its reverse (1223221), we get a palindrome (122323323221).

122322100000 divided by its reverse (1223221) gives a 5-th power (100000 = 10⁵).

The spelling of 122322100000 in words is "one hundred twenty-two billion, three hundred twenty-two million, one hundred thousand".