12130030221 has 8 divisors (see below), whose sum is σ = 16174192320. Its totient is φ = 8086277472.

The previous prime is 12130030201. The next prime is 12130030243. The reversal of 12130030221 is 12203003121.

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

It is not a de Polignac number, because 12130030221 - 2⁷ = 12130030093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12130030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130030201) 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, 24801 + ... + 157718.

It is an arithmetic number, because the mean of its divisors is an integer number (2021774040).

Almost surely, 2^12130030221 is an apocalyptic number.

It is an amenable number.

12130030221 is a deficient number, since it is larger than the sum of its proper divisors (4044162099).

12130030221 is a wasteful number, since it uses less digits than its factorization.

12130030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204675.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12130030221 its reverse (12203003121), we get a palindrome (24333033342).

The spelling of 12130030221 in words is "twelve billion, one hundred thirty million, thirty thousand, two hundred twenty-one".