122003445305 has 32 divisors (see below), whose sum is σ = 168946166016. Its totient is φ = 82846520064.

The previous prime is 122003445299. The next prime is 122003445367. The reversal of 122003445305 is 503544300221.

It is a happy number.

It is not a de Polignac number, because 122003445305 - 2²⁸ = 121735009849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14665007 + ... + 14673323.

It is an arithmetic number, because the mean of its divisors is an integer number (5279567688).

Almost surely, 2^122003445305 is an apocalyptic number.

It is an amenable number.

122003445305 is a deficient number, since it is larger than the sum of its proper divisors (46942720711).

122003445305 is a wasteful number, since it uses less digits than its factorization.

122003445305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 122003445305 its reverse (503544300221), we get a palindrome (625547745526).

The spelling of 122003445305 in words is "one hundred twenty-two billion, three million, four hundred forty-five thousand, three hundred five".