13121035105 has 8 divisors (see below), whose sum is σ = 16573939200. Its totient is φ = 9944363376.

The previous prime is 13121035097. The next prime is 13121035189. The reversal of 13121035105 is 50153012131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13121035105 - 2³ = 13121035097 is a prime.

It is a super-2 number, since 2×13121035105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69057985 + ... + 69058174.

It is an arithmetic number, because the mean of its divisors is an integer number (2071742400).

Almost surely, 2^13121035105 is an apocalyptic number.

It is an amenable number.

13121035105 is a deficient number, since it is larger than the sum of its proper divisors (3452904095).

13121035105 is a wasteful number, since it uses less digits than its factorization.

13121035105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138116183.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 13121035105 its reverse (50153012131), we get a palindrome (63274047236).

The spelling of 13121035105 in words is "thirteen billion, one hundred twenty-one million, thirty-five thousand, one hundred five".