122554430505420 has 96 divisors (see below), whose sum is σ = 348972931722240. Its totient is φ = 32126859548160.

The previous prime is 122554430505413. The next prime is 122554430505421. The reversal of 122554430505420 is 24505034455221.

It is not an unprimeable number, because it can be changed into a prime (122554430505421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371219944 + ... + 371549936.

It is an arithmetic number, because the mean of its divisors is an integer number (3635134705440).

Almost surely, 2^{122554430505420} is an apocalyptic number.

122554430505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122554430505420 is an abundant number, since it is smaller than the sum of its proper divisors (226418501216820).

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

122554430505420 is a wasteful number, since it uses less digits than its factorization.

122554430505420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434975 (or 434973 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 122554430505420 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, four hundred thirty million, five hundred five thousand, four hundred twenty".