122421111200 has 36 divisors (see below), whose sum is σ = 298860539670. Its totient is φ = 48968444160.

The previous prime is 122421111199. The next prime is 122421111203. The reversal of 122421111200 is 2111124221.

It can be written as a sum of positive squares in 3 ways, for example, as 82624053136 + 39797058064 = 287444^2 + 199492^2 .

It is not an unprimeable number, because it can be changed into a prime (122421111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76512395 + ... + 76513994.

Almost surely, 2^122421111200 is an apocalyptic number.

122421111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122421111200 is an abundant number, since it is smaller than the sum of its proper divisors (176439428470).

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

122421111200 is a wasteful number, since it uses less digits than its factorization.

122421111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153026409 (or 153026396 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122421111200 its reverse (2111124221), we get a palindrome (124532235421).

The spelling of 122421111200 in words is "one hundred twenty-two billion, four hundred twenty-one million, one hundred eleven thousand, two hundred".