122789005612 has 24 divisors (see below), whose sum is σ = 264468628256. Its totient is φ = 48575870208.

The previous prime is 122789005607. The next prime is 122789005613. The reversal of 122789005612 is 216500987221.

It is not an unprimeable number, because it can be changed into a prime (122789005613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168665853 + ... + 168666580.

Almost surely, 2^122789005612 is an apocalyptic number.

It is an amenable number.

122789005612 is an abundant number, since it is smaller than the sum of its proper divisors (141679622644).

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

122789005612 is a wasteful number, since it uses less digits than its factorization.

122789005612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337332457 (or 337332455 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 122789005612 in words is "one hundred twenty-two billion, seven hundred eighty-nine million, five thousand, six hundred twelve".