8213072136212 has 24 divisors (see below), whose sum is σ = 14538267211104. Its totient is φ = 4059445870112.

The previous prime is 8213072136173. The next prime is 8213072136221. The reversal of 8213072136212 is 2126312703128.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20345543 + ... + 20745294.

It is an arithmetic number, because the mean of its divisors is an integer number (605761133796).

Almost surely, 2^{8213072136212} is an apocalyptic number.

It is an amenable number.

8213072136212 is a deficient number, since it is larger than the sum of its proper divisors (6325195074892).

8213072136212 is a wasteful number, since it uses less digits than its factorization.

8213072136212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41091415 (or 41091413 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 8213072136212 in words is "eight trillion, two hundred thirteen billion, seventy-two million, one hundred thirty-six thousand, two hundred twelve".