12300100121 has 4 divisors (see below), whose sum is σ = 12300489744. Its totient is φ = 12299710500.

The previous prime is 12300100093. The next prime is 12300100123. The reversal of 12300100121 is 12100100321.

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-12300100121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12300100123) 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, 142835 + ... + 212136.

It is an arithmetic number, because the mean of its divisors is an integer number (3075122436).

Almost surely, 2^12300100121 is an apocalyptic number.

It is an amenable number.

12300100121 is a deficient number, since it is larger than the sum of its proper divisors (389623).

12300100121 is an equidigital number, since it uses as much as digits as its factorization.

12300100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389622.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12300100121 its reverse (12100100321), we get a palindrome (24400200442).

The spelling of 12300100121 in words is "twelve billion, three hundred million, one hundred thousand, one hundred twenty-one".