10212137 has 4 divisors (see below), whose sum is σ = 10997700. Its totient is φ = 9426576.

The previous prime is 10212131. The next prime is 10212151. The reversal of 10212137 is 73121201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 9709456 = 709^2 + 3116^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212137 - 2¹⁴ = 10195753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212131) 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 in 3 ways as a sum of consecutive naturals, for example, 392762 + ... + 392787.

It is an arithmetic number, because the mean of its divisors is an integer number (2749425).

Almost surely, 2^10212137 is an apocalyptic number.

It is an amenable number.

10212137 is a deficient number, since it is larger than the sum of its proper divisors (785563).

10212137 is an equidigital number, since it uses as much as digits as its factorization.

10212137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785562.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 10212137 is about 3195.6434406861. The cubic root of 10212137 is about 216.9562725570.

Adding to 10212137 its reverse (73121201), we get a palindrome (83333338).

The spelling of 10212137 in words is "ten million, two hundred twelve thousand, one hundred thirty-seven".