82006212 has 12 divisors (see below), whose sum is σ = 191347856. Its totient is φ = 27335400.

The previous prime is 82006193. The next prime is 82006297. The reversal of 82006212 is 21260028.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416914 + ... + 3416937.

Almost surely, 2^82006212 is an apocalyptic number.

It is an amenable number.

82006212 is an abundant number, since it is smaller than the sum of its proper divisors (109341644).

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

82006212 is a wasteful number, since it uses less digits than its factorization.

82006212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833858 (or 6833856 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 82006212 is about 9055.7281319616. The cubic root of 82006212 is about 434.4591189986.

The spelling of 82006212 in words is "eighty-two million, six thousand, two hundred twelve".