8500212 has 72 divisors (see below), whose sum is σ = 24897600. Its totient is φ = 2395008.

The previous prime is 8500211. The next prime is 8500213. The reversal of 8500212 is 2120058.

8500212 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8500211) and next prime (8500213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22239 + ... + 22617.

It is an arithmetic number, because the mean of its divisors is an integer number (345800).

Almost surely, 2^8500212 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 8500212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12448800).

8500212 is an abundant number, since it is smaller than the sum of its proper divisors (16397388).

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

8500212 is a wasteful number, since it uses less digits than its factorization.

8500212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 8500212 is about 2915.5123048960. The cubic root of 8500212 is about 204.0844517698.

The spelling of 8500212 in words is "eight million, five hundred thousand, two hundred twelve".