122120012200 has 48 divisors (see below), whose sum is σ = 285497781660. Its totient is φ = 48578112000.

The previous prime is 122120012191. The next prime is 122120012239. The reversal of 122120012200 is 2210021221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 32906685604 + 89213326596 = 181402^2 + 298686^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650541 + ... + 1722940.

Almost surely, 2^122120012200 is an apocalyptic number.

122120012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120012200 is an abundant number, since it is smaller than the sum of its proper divisors (163377769460).

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

122120012200 is a wasteful number, since it uses less digits than its factorization.

122120012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373678 (or 3373669 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122120012200 its reverse (2210021221), we get a palindrome (124330033421).

The spelling of 122120012200 in words is "one hundred twenty-two billion, one hundred twenty million, twelve thousand, two hundred".