8213072136203 has 64 divisors (see below), whose sum is σ = 10014666163200. Its totient is φ = 6651046080000.

The previous prime is 8213072136173. The next prime is 8213072136221. The reversal of 8213072136203 is 3026312703128.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8213072136203 - 2⁴⁰ = 7113560508427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8213072136233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37231850 + ... + 37451792.

It is an arithmetic number, because the mean of its divisors is an integer number (156479158800).

Almost surely, 2^{8213072136203} is an apocalyptic number.

8213072136203 is a deficient number, since it is larger than the sum of its proper divisors (1801594026997).

8213072136203 is a wasteful number, since it uses less digits than its factorization.

8213072136203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220164.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 8213072136203 in words is "eight trillion, two hundred thirteen billion, seventy-two million, one hundred thirty-six thousand, two hundred three".