13133005121 has 4 divisors (see below), whose sum is σ = 13905534852. Its totient is φ = 12360475392.

The previous prime is 13133005079. The next prime is 13133005147. The reversal of 13133005121 is 12150033131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3716243521 + 9416761600 = 60961^2 + 97040^2 .

It is a cyclic number.

It is not a de Polignac number, because 13133005121 - 2¹⁰ = 13133004097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13133005093 and 13133005102.

It is not an unprimeable number, because it can be changed into a prime (13133005021) 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, 386264840 + ... + 386264873.

It is an arithmetic number, because the mean of its divisors is an integer number (3476383713).

Almost surely, 2^13133005121 is an apocalyptic number.

It is an amenable number.

13133005121 is a deficient number, since it is larger than the sum of its proper divisors (772529731).

13133005121 is an equidigital number, since it uses as much as digits as its factorization.

13133005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772529730.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 13133005121 its reverse (12150033131), we get a palindrome (25283038252).

The spelling of 13133005121 in words is "thirteen billion, one hundred thirty-three million, five thousand, one hundred twenty-one".