122566405520260 has 48 divisors (see below), whose sum is σ = 277196517964800. Its totient is φ = 45254002022784.

The previous prime is 122566405520213. The next prime is 122566405520263. The reversal of 122566405520260 is 62025504665221.

It is a self number, because there is not a number n which added to its sum of digits gives 122566405520260.

It is not an unprimeable number, because it can be changed into a prime (122566405520263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2491381 + ... + 15853699.

It is an arithmetic number, because the mean of its divisors is an integer number (5774927457600).

Almost surely, 2^{122566405520260} is an apocalyptic number.

122566405520260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122566405520260 is an abundant number, since it is smaller than the sum of its proper divisors (154630112444540).

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

122566405520260 is a wasteful number, since it uses less digits than its factorization.

122566405520260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397620 (or 13397618 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 122566405520260 in words is "one hundred twenty-two trillion, five hundred sixty-six billion, four hundred five million, five hundred twenty thousand, two hundred sixty".