13130233242121 has 4 divisors (see below), whose sum is σ = 13130589391744. Its totient is φ = 13129877092500.

The previous prime is 13130233242067. The next prime is 13130233242131. The reversal of 13130233242121 is 12124233203131.

13130233242121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13130233242121 - 2⁴¹ = 10931209986569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13130233242121.

It is not an unprimeable number, because it can be changed into a prime (13130233242131) 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, 178019505 + ... + 178093246.

It is an arithmetic number, because the mean of its divisors is an integer number (3282647347936).

Almost surely, 2^{13130233242121} is an apocalyptic number.

It is an amenable number.

13130233242121 is a deficient number, since it is larger than the sum of its proper divisors (356149623).

13130233242121 is an equidigital number, since it uses as much as digits as its factorization.

13130233242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356149622.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13130233242121 its reverse (12124233203131), we get a palindrome (25254466445252).

The spelling of 13130233242121 in words is "thirteen trillion, one hundred thirty billion, two hundred thirty-three million, two hundred forty-two thousand, one hundred twenty-one".