12315101 has 2 divisors, whose sum is σ = 12315102. Its totient is φ = 12315100.

The previous prime is 12315077. The next prime is 12315103. The reversal of 12315101 is 10151321.

12315101 is digitally balanced in base 3, 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., 11383876 + 931225 = 3374^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315101 - 2¹⁴ = 12298717 is a prime.

Together with 12315103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315103) 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, 6157550 + 6157551.

It is an arithmetic number, because the mean of its divisors is an integer number (6157551).

Almost surely, 2^12315101 is an apocalyptic number.

It is an amenable number.

12315101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315101 is an equidigital number, since it uses as much as digits as its factorization.

12315101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12315101 is about 3509.2878194870. The cubic root of 12315101 is about 230.9294525423.

Adding to 12315101 its reverse (10151321), we get a palindrome (22466422).

The spelling of 12315101 in words is "twelve million, three hundred fifteen thousand, one hundred one".