122313144222505 has 16 divisors (see below), whose sum is σ = 147061568231424. Its totient is φ = 97660081742400.

The previous prime is 122313144222497. The next prime is 122313144222539. The reversal of 122313144222505 is 505222441313221.

It is not a de Polignac number, because 122313144222505 - 2³ = 122313144222497 is a prime.

It is a Duffinian number.

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, 4118355 + ... + 16173655.

It is an arithmetic number, because the mean of its divisors is an integer number (9191348014464).

Almost surely, 2^{122313144222505} is an apocalyptic number.

It is an amenable number.

122313144222505 is a deficient number, since it is larger than the sum of its proper divisors (24748424008919).

122313144222505 is a wasteful number, since it uses less digits than its factorization.

122313144222505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059256.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 122313144222505 its reverse (505222441313221), we get a palindrome (627535585535726).

The spelling of 122313144222505 in words is "one hundred twenty-two trillion, three hundred thirteen billion, one hundred forty-four million, two hundred twenty-two thousand, five hundred five".