8213072136230 has 32 divisors (see below), whose sum is σ = 15921008629344. Its totient is φ = 3032464813056.

The previous prime is 8213072136229. The next prime is 8213072136233. The reversal of 8213072136230 is 326312703128.

It is a happy number.

It is a super-2 number, since 2×8213072136230² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7151702 + ... + 8220278.

It is an arithmetic number, because the mean of its divisors is an integer number (497531519667).

Almost surely, 2^{8213072136230} is an apocalyptic number.

8213072136230 is a deficient number, since it is larger than the sum of its proper divisors (7707936493114).

8213072136230 is a wasteful number, since it uses less digits than its factorization.

8213072136230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127720.

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

Adding to 8213072136230 its reverse (326312703128), we get a palindrome (8539384839358).

The spelling of 8213072136230 in words is "eight trillion, two hundred thirteen billion, seventy-two million, one hundred thirty-six thousand, two hundred thirty".