122557422252 has 12 divisors (see below), whose sum is σ = 285967318616. Its totient is φ = 40852474080.

The previous prime is 122557422241. The next prime is 122557422259. The reversal of 122557422252 is 252224755221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122557422252.

It is not an unprimeable number, because it can be changed into a prime (122557422259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106559249 + ... + 5106559272.

Almost surely, 2^122557422252 is an apocalyptic number.

122557422252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122557422252 is an abundant number, since it is smaller than the sum of its proper divisors (163409896364).

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

122557422252 is a wasteful number, since it uses less digits than its factorization.

122557422252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213118528 (or 10213118526 counting only the distinct ones).

The product of its digits is 224000, while the sum is 39.

The spelling of 122557422252 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, two hundred fifty-two".