10212445 has 4 divisors (see below), whose sum is σ = 12254940. Its totient is φ = 8169952.

The previous prime is 10212431. The next prime is 10212463. The reversal of 10212445 is 54421201.

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 6610041 + 3602404 = 2571^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212445 - 2⁷ = 10212317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021240 + ... + 1021249.

It is an arithmetic number, because the mean of its divisors is an integer number (3063735).

Almost surely, 2^10212445 is an apocalyptic number.

It is an amenable number.

10212445 is a deficient number, since it is larger than the sum of its proper divisors (2042495).

10212445 is an equidigital number, since it uses as much as digits as its factorization.

10212445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042494.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10212445 is about 3195.6916309306. The cubic root of 10212445 is about 216.9584536826.

Adding to 10212445 its reverse (54421201), we get a palindrome (64633646).

The spelling of 10212445 in words is "ten million, two hundred twelve thousand, four hundred forty-five".