122789581228 has 12 divisors (see below), whose sum is σ = 217009310112. Its totient is φ = 60786921200.

The previous prime is 122789581193. The next prime is 122789581249. The reversal of 122789581228 is 822185987221.

It is a happy number.

122789581228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151966900 + ... + 151967707.

It is an arithmetic number, because the mean of its divisors is an integer number (18084109176).

Almost surely, 2^122789581228 is an apocalyptic number.

It is an amenable number.

122789581228 is a deficient number, since it is larger than the sum of its proper divisors (94219728884).

122789581228 is a wasteful number, since it uses less digits than its factorization.

122789581228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303934712 (or 303934710 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The spelling of 122789581228 in words is "one hundred twenty-two billion, seven hundred eighty-nine million, five hundred eighty-one thousand, two hundred twenty-eight".