122800277980 has 24 divisors (see below), whose sum is σ = 261512707680. Its totient is φ = 48428278080.

The previous prime is 122800277939. The next prime is 122800277993. The reversal of 122800277980 is 89772008221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122800277980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43238115 + ... + 43240954.

It is an arithmetic number, because the mean of its divisors is an integer number (10896362820).

Almost surely, 2^122800277980 is an apocalyptic number.

122800277980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122800277980 is an abundant number, since it is smaller than the sum of its proper divisors (138712429700).

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

122800277980 is a wasteful number, since it uses less digits than its factorization.

122800277980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86479149 (or 86479147 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 122800277980 in words is "one hundred twenty-two billion, eight hundred million, two hundred seventy-seven thousand, nine hundred eighty".