12300100221 has 4 divisors (see below), whose sum is σ = 16400133632. Its totient is φ = 8200066812.

The previous prime is 12300100201. The next prime is 12300100259. The reversal of 12300100221 is 12200100321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12200100321 = 3 ⋅4066700107.

It is not a de Polignac number, because 12300100221 - 2⁶ = 12300100157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12300100197 and 12300100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300100201) 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, 2050016701 + ... + 2050016706.

It is an arithmetic number, because the mean of its divisors is an integer number (4100033408).

Almost surely, 2^12300100221 is an apocalyptic number.

It is an amenable number.

12300100221 is a deficient number, since it is larger than the sum of its proper divisors (4100033411).

12300100221 is an equidigital number, since it uses as much as digits as its factorization.

12300100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100033410.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12300100221 its reverse (12200100321), we get a palindrome (24500200542).

It can be divided in two parts, 12300100 and 221, that added together give a palindrome (12300321).

The spelling of 12300100221 in words is "twelve billion, three hundred million, one hundred thousand, two hundred twenty-one".