8213072136204 has 96 divisors (see below), whose sum is σ = 20957395447296. Its totient is φ = 2488027576320.

The previous prime is 8213072136173. The next prime is 8213072136221. The reversal of 8213072136204 is 4026312703128.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 19092124 + ... + 19517564.

It is an arithmetic number, because the mean of its divisors is an integer number (218306202576).

Almost surely, 2^{8213072136204} 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 8213072136204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10478697723648).

8213072136204 is an abundant number, since it is smaller than the sum of its proper divisors (12744323311092).

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

8213072136204 is a wasteful number, since it uses less digits than its factorization.

8213072136204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427375 (or 427373 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 8213072136204 in words is "eight trillion, two hundred thirteen billion, seventy-two million, one hundred thirty-six thousand, two hundred four".