13123011122 has 32 divisors (see below), whose sum is σ = 21729057840. Its totient is φ = 5905428480.

The previous prime is 13123011119. The next prime is 13123011133. The reversal of 13123011122 is 22111032131.

It can be written as a sum of positive squares in 8 ways, for example, as 684293281 + 12438717841 = 26159^2 + 111529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13123011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544098 + ... + 2549250.

Almost surely, 2^13123011122 is an apocalyptic number.

13123011122 is a deficient number, since it is larger than the sum of its proper divisors (8606046718).

13123011122 is a wasteful number, since it uses less digits than its factorization.

13123011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13123011122 its reverse (22111032131), we get a palindrome (35234043253).

The spelling of 13123011122 in words is "thirteen billion, one hundred twenty-three million, eleven thousand, one hundred twenty-two".