122420013305 has 16 divisors (see below), whose sum is σ = 154645156800. Its totient is φ = 92775873600.

The previous prime is 122420013299. The next prime is 122420013307. The reversal of 122420013305 is 503310024221.

It is not a de Polignac number, because 122420013305 - 2⁶ = 122420013241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122420013307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235755 + ... + 2289855.

It is an arithmetic number, because the mean of its divisors is an integer number (9665322300).

Almost surely, 2^122420013305 is an apocalyptic number.

It is an amenable number.

122420013305 is a deficient number, since it is larger than the sum of its proper divisors (32225143495).

122420013305 is a wasteful number, since it uses less digits than its factorization.

122420013305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77944.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 122420013305 its reverse (503310024221), we get a palindrome (625730037526).

The spelling of 122420013305 in words is "one hundred twenty-two billion, four hundred twenty million, thirteen thousand, three hundred five".