12303021102121 has 4 divisors (see below), whose sum is σ = 12303324868432. Its totient is φ = 12302717335812.

The previous prime is 12303021102083. The next prime is 12303021102157. The reversal of 12303021102121 is 12120112030321.

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 not a de Polignac number, because 12303021102121 - 2³⁷ = 12165582148649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303021102161) 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 3 ways as a sum of consecutive naturals, for example, 151822395 + ... + 151903408.

It is an arithmetic number, because the mean of its divisors is an integer number (3075831217108).

Almost surely, 2^{12303021102121} is an apocalyptic number.

It is an amenable number.

12303021102121 is a deficient number, since it is larger than the sum of its proper divisors (303766311).

12303021102121 is an equidigital number, since it uses as much as digits as its factorization.

12303021102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303766310.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12303021102121 its reverse (12120112030321), we get a palindrome (24423133132442).

The spelling of 12303021102121 in words is "twelve trillion, three hundred three billion, twenty-one million, one hundred two thousand, one hundred twenty-one".