12500211 has 4 divisors (see below), whose sum is σ = 16666952. Its totient is φ = 8333472.

The previous prime is 12500197. The next prime is 12500221. The reversal of 12500211 is 11200521.

12500211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11200521 = 3 ⋅3733507.

It is not a de Polignac number, because 12500211 - 2⁹ = 12499699 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (12500221) 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 in 3 ways as a sum of consecutive naturals, for example, 2083366 + ... + 2083371.

It is an arithmetic number, because the mean of its divisors is an integer number (4166738).

Almost surely, 2^12500211 is an apocalyptic number.

12500211 is a deficient number, since it is larger than the sum of its proper divisors (4166741).

12500211 is an equidigital number, since it uses as much as digits as its factorization.

12500211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166740.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12500211 is about 3535.5637457130. The cubic root of 12500211 is about 232.0807475070.

Adding to 12500211 its reverse (11200521), we get a palindrome (23700732).

The spelling of 12500211 in words is "twelve million, five hundred thousand, two hundred eleven".