122558255273880 has 48 divisors (see below), whose sum is σ = 398314329641280. Its totient is φ = 32682201406272.

The previous prime is 122558255273809. The next prime is 122558255273929. The reversal of 122558255273880 is 88372552855221.

It is a happy number.

122558255273880 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 8 + 2 + 552 + 73 + 8 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170219798632 + ... + 170219799351.

It is an arithmetic number, because the mean of its divisors is an integer number (8298215200860).

Almost surely, 2^{122558255273880} is an apocalyptic number.

122558255273880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122558255273880 is an abundant number, since it is smaller than the sum of its proper divisors (275756074367400).

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

122558255273880 is a wasteful number, since it uses less digits than its factorization.

122558255273880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340439598000 (or 340439597993 counting only the distinct ones).

The product of its (nonzero) digits is 107520000, while the sum is 63.

The spelling of 122558255273880 in words is "one hundred twenty-two trillion, five hundred fifty-eight billion, two hundred fifty-five million, two hundred seventy-three thousand, eight hundred eighty".