12303102121 has 2 divisors, whose sum is σ = 12303102122. Its totient is φ = 12303102120.

The previous prime is 12303102089. The next prime is 12303102127. The reversal of 12303102121 is 12120130321.

12303102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11985870400 + 317231721 = 109480^2 + 17811^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303102121 - 2⁵ = 12303102089 is a prime.

It is a super-4 number, since 4×12303102121⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12303102095 and 12303102104.

It is not a weakly prime, because it can be changed into another prime (12303102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151551060 + 6151551061.

It is an arithmetic number, because the mean of its divisors is an integer number (6151551061).

Almost surely, 2^12303102121 is an apocalyptic number.

It is an amenable number.

12303102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303102121 is an equidigital number, since it uses as much as digits as its factorization.

12303102121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12303102121 its reverse (12120130321), we get a palindrome (24423232442).

The spelling of 12303102121 in words is "twelve billion, three hundred three million, one hundred two thousand, one hundred twenty-one".