122808643384 has 64 divisors (see below), whose sum is σ = 265428172800. Its totient is φ = 52179531264.

The previous prime is 122808643381. The next prime is 122808643393. The reversal of 122808643384 is 483346808221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122808643381) 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 15 ways as a sum of consecutive naturals, for example, 11039377 + ... + 11050495.

It is an arithmetic number, because the mean of its divisors is an integer number (4147315200).

Almost surely, 2^122808643384 is an apocalyptic number.

122808643384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122808643384 is an abundant number, since it is smaller than the sum of its proper divisors (142619529416).

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

122808643384 is a wasteful number, since it uses less digits than its factorization.

122808643384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12812 (or 12808 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 122808643384 in words is "one hundred twenty-two billion, eight hundred eight million, six hundred forty-three thousand, three hundred eighty-four".