122178284480 has 56 divisors (see below), whose sum is σ = 332499480288. Its totient is φ = 41889696768.

The previous prime is 122178284447. The next prime is 122178284483. The reversal of 122178284480 is 84482871221.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122178284483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27269699 + ... + 27274178.

Almost surely, 2^122178284480 is an apocalyptic number.

122178284480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122178284480 is an abundant number, since it is smaller than the sum of its proper divisors (210321195808).

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

122178284480 is an equidigital number, since it uses as much as digits as its factorization.

122178284480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54543901 (or 54543891 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 122178284480 in words is "one hundred twenty-two billion, one hundred seventy-eight million, two hundred eighty-four thousand, four hundred eighty".