12026505667219 has 4 divisors (see below), whose sum is σ = 12065176103760. Its totient is φ = 11987835230680.

The previous prime is 12026505667213. The next prime is 12026505667223. The reversal of 12026505667219 is 91276650562021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12026505667219 - 2²³ = 12026497278611 is a prime.

It is a super-2 number, since 2×12026505667219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12026505667213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19335217804 + ... + 19335218425.

It is an arithmetic number, because the mean of its divisors is an integer number (3016294025940).

Almost surely, 2^{12026505667219} is an apocalyptic number.

12026505667219 is a deficient number, since it is larger than the sum of its proper divisors (38670436541).

12026505667219 is an equidigital number, since it uses as much as digits as its factorization.

12026505667219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670436540.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 12026505667219 in words is "twelve trillion, twenty-six billion, five hundred five million, six hundred sixty-seven thousand, two hundred nineteen".