8125212125219 has 16 divisors (see below), whose sum is σ = 9295919109120. Its totient is φ = 6956999768160.

The previous prime is 8125212125203. The next prime is 8125212125237. The reversal of 8125212125219 is 9125212125218.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8125212125219 - 2⁴ = 8125212125203 is a prime.

It is a super-2 number, since 2×8125212125219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8125212125279) 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, 24311762 + ... + 24643704.

It is an arithmetic number, because the mean of its divisors is an integer number (580994944320).

Almost surely, 2^{8125212125219} is an apocalyptic number.

8125212125219 is a deficient number, since it is larger than the sum of its proper divisors (1170706983901).

8125212125219 is a wasteful number, since it uses less digits than its factorization.

8125212125219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335690.

The product of its digits is 57600, while the sum is 41.

Subtracting 8125212125219 from its reverse (9125212125218), we obtain a palindrome (999999999999).

The spelling of 8125212125219 in words is "eight trillion, one hundred twenty-five billion, two hundred twelve million, one hundred twenty-five thousand, two hundred nineteen".