122720606200 has 48 divisors (see below), whose sum is σ = 285975558000. Its totient is φ = 48976389120.

The previous prime is 122720606153. The next prime is 122720606209. The reversal of 122720606200 is 2606027221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122720606209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611065 + ... + 786664.

It is an arithmetic number, because the mean of its divisors is an integer number (5957824125).

Almost surely, 2^122720606200 is an apocalyptic number.

122720606200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122720606200 is an abundant number, since it is smaller than the sum of its proper divisors (163254951800).

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

122720606200 is a wasteful number, since it uses less digits than its factorization.

122720606200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398184 (or 1398175 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 122720606200 in words is "one hundred twenty-two billion, seven hundred twenty million, six hundred six thousand, two hundred".