122808643412 has 48 divisors (see below), whose sum is σ = 264676581120. Its totient is φ = 48553212672.

The previous prime is 122808643393. The next prime is 122808643421. The reversal of 122808643412 is 214346808221.

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 122808643412.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 480833 + ... + 690519.

It is an arithmetic number, because the mean of its divisors is an integer number (5514095440).

Almost surely, 2^122808643412 is an apocalyptic number.

It is an amenable number.

122808643412 is an abundant number, since it is smaller than the sum of its proper divisors (141867937708).

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

122808643412 is a wasteful number, since it uses less digits than its factorization.

122808643412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211320 (or 211318 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 122808643412 in words is "one hundred twenty-two billion, eight hundred eight million, six hundred forty-three thousand, four hundred twelve".