12906878219 has 2 divisors, whose sum is σ = 12906878220. Its totient is φ = 12906878218.

The previous prime is 12906878209. The next prime is 12906878233. The reversal of 12906878219 is 91287860921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12906878219 - 2⁴ = 12906878203 is a prime.

It is a super-2 number, since 2×12906878219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12906878209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453439109 + 6453439110.

It is an arithmetic number, because the mean of its divisors is an integer number (6453439110).

Almost surely, 2^12906878219 is an apocalyptic number.

12906878219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906878219 is an equidigital number, since it uses as much as digits as its factorization.

12906878219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 12906878219 in words is "twelve billion, nine hundred six million, eight hundred seventy-eight thousand, two hundred nineteen".