12030220321 has 8 divisors (see below), whose sum is σ = 13750393280. Its totient is φ = 10310439888.

The previous prime is 12030220273. The next prime is 12030220337. The reversal of 12030220321 is 12302203021.

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

It is not a de Polignac number, because 12030220321 - 2⁷ = 12030220193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030220295 and 12030220304.

It is not an unprimeable number, because it can be changed into a prime (12030220021) 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, 29226 + ... + 157843.

It is an arithmetic number, because the mean of its divisors is an integer number (1718799160).

Almost surely, 2^12030220321 is an apocalyptic number.

It is an amenable number.

12030220321 is a deficient number, since it is larger than the sum of its proper divisors (1720172959).

12030220321 is an equidigital number, since it uses as much as digits as its factorization.

12030220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196263.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12030220321 its reverse (12302203021), we get a palindrome (24332423342).

The spelling of 12030220321 in words is "twelve billion, thirty million, two hundred twenty thousand, three hundred twenty-one".