10212812 has 6 divisors (see below), whose sum is σ = 17872428. Its totient is φ = 5106404.

The previous prime is 10212809. The next prime is 10212821. The reversal of 10212812 is 21821201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276598 + ... + 1276605.

It is an arithmetic number, because the mean of its divisors is an integer number (2978738).

Almost surely, 2^10212812 is an apocalyptic number.

It is an amenable number.

10212812 is a deficient number, since it is larger than the sum of its proper divisors (7659616).

10212812 is a wasteful number, since it uses less digits than its factorization.

10212812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553207 (or 2553205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 10212812 is about 3195.7490514745. The cubic root of 10212812 is about 216.9610525640.

The spelling of 10212812 in words is "ten million, two hundred twelve thousand, eight hundred twelve".