122542352205 has 64 divisors (see below), whose sum is σ = 247836277248.
Its totient is φ = 50312586240.
The previous prime is 122542352171. The next prime is 122542352227. The reversal of 122542352205 is 502253245221.
It is not a de Polignac number, because 122542352205 - 213 = 122542344013 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1162666 + ... + 1263675.
It is an arithmetic number, because the mean of its divisors is an integer number (3872441832).
Almost surely, 2122542352205 is an apocalyptic number.
122542352205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122542352205 is an abundant number, since it is smaller than the sum of its proper divisors (125293925043).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122542352205 is a wasteful number, since it uses less digits than its factorization.
122542352205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2426406.
The product of its (nonzero) digits is 48000, while the sum is 33.
Adding to 122542352205 its reverse (502253245221), we get a palindrome (624795597426).
The spelling of 122542352205 in words is "one hundred twenty-two billion, five hundred forty-two million, three hundred fifty-two thousand, two hundred five".