13122011320306 has 12 divisors (see below), whose sum is σ = 22896570773358. Its totient is φ = 5623719137232.

The previous prime is 13122011320289. The next prime is 13122011320351. The reversal of 13122011320306 is 60302311022131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13115559214681 + 6452105625 = 3621541^2 + 80325^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66949037251 + ... + 66949037446.

Almost surely, 2^{13122011320306} is an apocalyptic number.

13122011320306 is a deficient number, since it is larger than the sum of its proper divisors (9774559453052).

13122011320306 is a wasteful number, since it uses less digits than its factorization.

13122011320306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133898074713 (or 133898074706 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13122011320306 its reverse (60302311022131), we get a palindrome (73424322342437).

The spelling of 13122011320306 in words is "thirteen trillion, one hundred twenty-two billion, eleven million, three hundred twenty thousand, three hundred six".