10212205 has 8 divisors (see below), whose sum is σ = 12677400. Its totient is φ = 7887936.

The previous prime is 10212203. The next prime is 10212233. The reversal of 10212205 is 50221201.

It can be written as a sum of positive squares in 4 ways, for example, as 1085764 + 9126441 = 1042^2 + 3021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212205 - 2¹ = 10212203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35070 + ... + 35359.

It is an arithmetic number, because the mean of its divisors is an integer number (1584675).

Almost surely, 2^10212205 is an apocalyptic number.

It is an amenable number.

10212205 is a deficient number, since it is larger than the sum of its proper divisors (2465195).

10212205 is an equidigital number, since it uses as much as digits as its factorization.

10212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70463.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10212205 is about 3195.6540801532. The cubic root of 10212205 is about 216.9567541080.

Adding to 10212205 its reverse (50221201), we get a palindrome (60433406).

The spelling of 10212205 in words is "ten million, two hundred twelve thousand, two hundred five".