10218812 has 12 divisors (see below), whose sum is σ = 17941560. Its totient is φ = 5092656.

The previous prime is 10218763. The next prime is 10218829. The reversal of 10218812 is 21881201.

It is a happy number.

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, 2762 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (1495130).

Almost surely, 2^10218812 is an apocalyptic number.

It is an amenable number.

10218812 is a deficient number, since it is larger than the sum of its proper divisors (7722748).

10218812 is a wasteful number, since it uses less digits than its factorization.

10218812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8378 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 10218812 is about 3196.6876606888. The cubic root of 10218812 is about 217.0035322607.

The spelling of 10218812 in words is "ten million, two hundred eighteen thousand, eight hundred twelve".