122014451605 has 4 divisors (see below), whose sum is σ = 146417341932. Its totient is φ = 97611561280.

The previous prime is 122014451557. The next prime is 122014451623. The reversal of 122014451605 is 506154410221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506154410221 = 271 ⋅1867728451.

It can be written as a sum of positive squares in 2 ways, for example, as 12454113604 + 109560338001 = 111598^2 + 330999^2 .

It is not a de Polignac number, because 122014451605 - 2²⁵ = 121980897173 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12201445156 + ... + 12201445165.

It is an arithmetic number, because the mean of its divisors is an integer number (36604335483).

Almost surely, 2^122014451605 is an apocalyptic number.

It is an amenable number.

122014451605 is a deficient number, since it is larger than the sum of its proper divisors (24402890327).

122014451605 is an equidigital number, since it uses as much as digits as its factorization.

122014451605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24402890326.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 122014451605 its reverse (506154410221), we get a palindrome (628168861826).

The spelling of 122014451605 in words is "one hundred twenty-two billion, fourteen million, four hundred fifty-one thousand, six hundred five".