12230001330221 has 4 divisors (see below), whose sum is σ = 12230550300000. Its totient is φ = 12229452360444.

The previous prime is 12230001330143. The next prime is 12230001330289. The reversal of 12230001330221 is 12203310003221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230001330221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12230001330193 and 12230001330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230001330121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274451471 + ... + 274496028.

It is an arithmetic number, because the mean of its divisors is an integer number (3057637575000).

Almost surely, 2^{12230001330221} is an apocalyptic number.

It is an amenable number.

12230001330221 is a deficient number, since it is larger than the sum of its proper divisors (548969779).

12230001330221 is an equidigital number, since it uses as much as digits as its factorization.

12230001330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548969778.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12230001330221 its reverse (12203310003221), we get a palindrome (24433311333442).

The spelling of 12230001330221 in words is "twelve trillion, two hundred thirty billion, one million, three hundred thirty thousand, two hundred twenty-one".