8120116219 has 2 divisors, whose sum is σ = 8120116220. Its totient is φ = 8120116218.

The previous prime is 8120116217. The next prime is 8120116247. The reversal of 8120116219 is 9126110218.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8120116219 - 2¹ = 8120116217 is a prime.

It is a super-2 number, since 2×8120116219² (a number of 21 digits) contains 22 as substring.

Together with 8120116217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8120116217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060058109 + 4060058110.

It is an arithmetic number, because the mean of its divisors is an integer number (4060058110).

Almost surely, 2^8120116219 is an apocalyptic number.

8120116219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120116219 is an equidigital number, since it uses as much as digits as its factorization.

8120116219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 8120116219 is about 90111.6874717148. The cubic root of 8120116219 is about 2009.9600017617.

The spelling of 8120116219 in words is "eight billion, one hundred twenty million, one hundred sixteen thousand, two hundred nineteen".