12301210221 has 32 divisors (see below), whose sum is σ = 17294819328. Its totient is φ = 7762043520.

The previous prime is 12301210199. The next prime is 12301210231. The reversal of 12301210221 is 12201210321.

It is not a de Polignac number, because 12301210221 - 2⁶ = 12301210157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12301210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301210231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3775225 + ... + 3778481.

It is an arithmetic number, because the mean of its divisors is an integer number (540463104).

Almost surely, 2^12301210221 is an apocalyptic number.

It is an amenable number.

12301210221 is a deficient number, since it is larger than the sum of its proper divisors (4993609107).

12301210221 is a wasteful number, since it uses less digits than its factorization.

12301210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12301210221 its reverse (12201210321), we get a palindrome (24502420542).

The spelling of 12301210221 in words is "twelve billion, three hundred one million, two hundred ten thousand, two hundred twenty-one".