12130301221 has 8 divisors (see below), whose sum is σ = 12573550080. Its totient is φ = 11688716592.

The previous prime is 12130301219. The next prime is 12130301231. The reversal of 12130301221 is 12210303121.

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 12130301221 - 2¹ = 12130301219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12130301195 and 12130301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130301231) 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, 401205 + ... + 430378.

It is an arithmetic number, because the mean of its divisors is an integer number (1571693760).

Almost surely, 2^12130301221 is an apocalyptic number.

It is an amenable number.

12130301221 is a deficient number, since it is larger than the sum of its proper divisors (443248859).

12130301221 is an equidigital number, since it uses as much as digits as its factorization.

12130301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832115.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12130301221 its reverse (12210303121), we get a palindrome (24340604342).

The spelling of 12130301221 in words is "twelve billion, one hundred thirty million, three hundred one thousand, two hundred twenty-one".