12606445219 has 2 divisors, whose sum is σ = 12606445220. Its totient is φ = 12606445218.

The previous prime is 12606445211. The next prime is 12606445259. The reversal of 12606445219 is 91254460621.

It is an a-pointer prime, because the next prime (12606445259) can be obtained adding 12606445219 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12606445219 - 2³ = 12606445211 is a prime.

It is a super-2 number, since 2×12606445219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12606445211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303222609 + 6303222610.

It is an arithmetic number, because the mean of its divisors is an integer number (6303222610).

Almost surely, 2^12606445219 is an apocalyptic number.

12606445219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606445219 is an equidigital number, since it uses as much as digits as its factorization.

12606445219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12606445219 in words is "twelve billion, six hundred six million, four hundred forty-five thousand, two hundred nineteen".