8217206012 has 12 divisors (see below), whose sum is σ = 14420849856. Its totient is φ = 4096963200.

The previous prime is 8217206009. The next prime is 8217206017. The reversal of 8217206012 is 2106027128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8217206017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908364 + ... + 2911187.

It is an arithmetic number, because the mean of its divisors is an integer number (1201737488).

Almost surely, 2^8217206012 is an apocalyptic number.

It is an amenable number.

8217206012 is a deficient number, since it is larger than the sum of its proper divisors (6203643844).

8217206012 is a wasteful number, since it uses less digits than its factorization.

8217206012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819908 (or 5819906 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8217206012 is about 90648.8059049870. The cubic root of 8217206012 is about 2017.9391140094.

The spelling of 8217206012 in words is "eight billion, two hundred seventeen million, two hundred six thousand, twelve".