12220130321 has 8 divisors (see below), whose sum is σ = 13967822400. Its totient is φ = 10472928048.

The previous prime is 12220130303. The next prime is 12220130333. The reversal of 12220130321 is 12303102221.

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 12220130321 - 2⁶ = 12220130257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220130321.

It is not an unprimeable number, because it can be changed into a prime (12220120321) 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, 67331 + ... + 170216.

It is an arithmetic number, because the mean of its divisors is an integer number (1745977800).

Almost surely, 2^12220130321 is an apocalyptic number.

It is an amenable number.

12220130321 is a deficient number, since it is larger than the sum of its proper divisors (1747692079).

12220130321 is an equidigital number, since it uses as much as digits as its factorization.

12220130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244903.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12220130321 its reverse (12303102221), we get a palindrome (24523232542).

The spelling of 12220130321 in words is "twelve billion, two hundred twenty million, one hundred thirty thousand, three hundred twenty-one".