122555232221405 has 16 divisors (see below), whose sum is σ = 149043199678464. Its totient is φ = 96734768840640.

The previous prime is 122555232221393. The next prime is 122555232221413. The reversal of 122555232221405 is 504122232555221.

It is not a de Polignac number, because 122555232221405 - 2¹⁰ = 122555232220381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 533035247 + ... + 533265116.

It is an arithmetic number, because the mean of its divisors is an integer number (9315199979904).

Almost surely, 2^{122555232221405} is an apocalyptic number.

It is an amenable number.

122555232221405 is a deficient number, since it is larger than the sum of its proper divisors (26487967457059).

122555232221405 is a wasteful number, since it uses less digits than its factorization.

122555232221405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066300676.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 122555232221405 its reverse (504122232555221), we get a palindrome (626677464776626).

The spelling of 122555232221405 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-two million, two hundred twenty-one thousand, four hundred five".