122404100305505 has 16 divisors (see below), whose sum is σ = 146927852812800. Its totient is φ = 97894662256512.

The previous prime is 122404100305457. The next prime is 122404100305537. The reversal of 122404100305505 is 505503001404221.

It is a cyclic number.

It is not a de Polignac number, because 122404100305505 - 2¹⁶ = 122404100239969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278478896 + ... + 278918094.

It is an arithmetic number, because the mean of its divisors is an integer number (9182990800800).

Almost surely, 2^{122404100305505} is an apocalyptic number.

It is an amenable number.

122404100305505 is a deficient number, since it is larger than the sum of its proper divisors (24523752507295).

122404100305505 is a wasteful number, since it uses less digits than its factorization.

122404100305505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455368.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 122404100305505 its reverse (505503001404221), we get a palindrome (627907101709726).

The spelling of 122404100305505 in words is "one hundred twenty-two trillion, four hundred four billion, one hundred million, three hundred five thousand, five hundred five".