12850121 has 2 divisors, whose sum is σ = 12850122. Its totient is φ = 12850120.

The previous prime is 12850093. The next prime is 12850139. The reversal of 12850121 is 12105821.

It is a happy number.

12850121 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., 10010896 + 2839225 = 3164^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12850121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12850093 and 12850102.

It is not a weakly prime, because it can be changed into another prime (12850171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425060 + 6425061.

It is an arithmetic number, because the mean of its divisors is an integer number (6425061).

Almost surely, 2^12850121 is an apocalyptic number.

It is an amenable number.

12850121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12850121 is an equidigital number, since it uses as much as digits as its factorization.

12850121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 12850121 is about 3584.7065430799. The cubic root of 12850121 is about 234.2263436818.

Adding to 12850121 its reverse (12105821), we get a palindrome (24955942).

The spelling of 12850121 in words is "twelve million, eight hundred fifty thousand, one hundred twenty-one".