10212131 has 2 divisors, whose sum is σ = 10212132. Its totient is φ = 10212130.

The previous prime is 10212119. The next prime is 10212151. The reversal of 10212131 is 13121201.

10212131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212131 - 2¹⁰ = 10211107 is a prime.

It is a super-2 number, since 2×10212131² = 208575239122322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106065 + 5106066.

It is an arithmetic number, because the mean of its divisors is an integer number (5106066).

Almost surely, 2^10212131 is an apocalyptic number.

10212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212131 is an equidigital number, since it uses as much as digits as its factorization.

10212131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10212131 is about 3195.6425019079. The cubic root of 10212131 is about 216.9562300671.

Adding to 10212131 its reverse (13121201), we get a palindrome (23333332).

The spelling of 10212131 in words is "ten million, two hundred twelve thousand, one hundred thirty-one".