10812216 has 64 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 3369600.

The previous prime is 10812203. The next prime is 10812227. The reversal of 10812216 is 61221801.

It is a junction number, because it is equal to n+sod(n) for n = 10812192 and 10812201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59646 + ... + 59826.

It is an arithmetic number, because the mean of its divisors is an integer number (450450).

Almost surely, 2^10812216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10812216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14414400).

10812216 is an abundant number, since it is smaller than the sum of its proper divisors (18016584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10812216 is a wasteful number, since it uses less digits than its factorization.

10812216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10812216 is about 3288.1934249676. The cubic root of 10812216 is about 221.1251994948.

The spelling of 10812216 in words is "ten million, eight hundred twelve thousand, two hundred sixteen".