122345122321316 has 12 divisors (see below), whose sum is σ = 214104333383388. Its totient is φ = 61172455640352.

The previous prime is 122345122321271. The next prime is 122345122321319. The reversal of 122345122321316 is 613123221543221.

It can be written as a sum of positive squares in 2 ways, for example, as 49539074560000 + 72806047761316 = 7038400^2 + 8532646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122345122321316.

It is not an unprimeable number, because it can be changed into a prime (122345122321319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23742011 + ... + 28431906.

It is an arithmetic number, because the mean of its divisors is an integer number (17842027781949).

Almost surely, 2^{122345122321316} is an apocalyptic number.

It is an amenable number.

122345122321316 is a deficient number, since it is larger than the sum of its proper divisors (91759211062072).

122345122321316 is a wasteful number, since it uses less digits than its factorization.

122345122321316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52760158 (or 52760156 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

Adding to 122345122321316 its reverse (613123221543221), we get a palindrome (735468343864537).

The spelling of 122345122321316 in words is "one hundred twenty-two trillion, three hundred forty-five billion, one hundred twenty-two million, three hundred twenty-one thousand, three hundred sixteen".