13130232201221 has 8 divisors (see below), whose sum is σ = 13180749563520. Its totient is φ = 13079719328272.

The previous prime is 13130232201211. The next prime is 13130232201223. The reversal of 13130232201221 is 12210223203131.

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 13130232201221 - 2¹⁴ = 13130232184837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130232201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4798376 + ... + 7020318.

It is an arithmetic number, because the mean of its divisors is an integer number (1647593695440).

Almost surely, 2^{13130232201221} is an apocalyptic number.

It is an amenable number.

13130232201221 is a deficient number, since it is larger than the sum of its proper divisors (50517362299).

13130232201221 is a wasteful number, since it uses less digits than its factorization.

13130232201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244675.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13130232201221 its reverse (12210223203131), we get a palindrome (25340455404352).

The spelling of 13130232201221 in words is "thirteen trillion, one hundred thirty billion, two hundred thirty-two million, two hundred one thousand, two hundred twenty-one".