10212805 has 8 divisors (see below), whose sum is σ = 12788352. Its totient is φ = 7814928.

The previous prime is 10212799. The next prime is 10212809. The reversal of 10212805 is 50821201.

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 10212805 - 2¹⁷ = 10081733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212809) 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, 44289 + ... + 44518.

It is an arithmetic number, because the mean of its divisors is an integer number (1598544).

Almost surely, 2^10212805 is an apocalyptic number.

It is an amenable number.

10212805 is a deficient number, since it is larger than the sum of its proper divisors (2575547).

10212805 is an equidigital number, since it uses as much as digits as its factorization.

10212805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88835.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10212805 is about 3195.7479562694. The cubic root of 10212805 is about 216.9610029946.

The spelling of 10212805 in words is "ten million, two hundred twelve thousand, eight hundred five".