122555240244256 has 24 divisors (see below), whose sum is σ = 251771091372864. Its totient is φ = 58613375768640.

The previous prime is 122555240244223. The next prime is 122555240244263. The reversal of 122555240244256 is 652442042555221.

It is a super-2 number, since 2×122555240244256² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83257635300 + ... + 83257636771.

It is an arithmetic number, because the mean of its divisors is an integer number (10490462140536).

Almost surely, 2^{122555240244256} is an apocalyptic number.

122555240244256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122555240244256 is an abundant number, since it is smaller than the sum of its proper divisors (129215851128608).

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

122555240244256 is a wasteful number, since it uses less digits than its factorization.

122555240244256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166515272104 (or 166515272096 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 49.

Adding to 122555240244256 its reverse (652442042555221), we get a palindrome (774997282799477).

The spelling of 122555240244256 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred forty million, two hundred forty-four thousand, two hundred fifty-six".