12011110019 has 2 divisors, whose sum is σ = 12011110020. Its totient is φ = 12011110018.

The previous prime is 12011110009. The next prime is 12011110021. The reversal of 12011110019 is 91001111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011110019 - 2²⁸ = 11742674563 is a prime.

It is a super-2 number, since 2×12011110019² (a number of 21 digits) contains 22 as substring.

Together with 12011110021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011109979 and 12011110006.

It is not a weakly prime, because it can be changed into another prime (12011110009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005555009 + 6005555010.

It is an arithmetic number, because the mean of its divisors is an integer number (6005555010).

Almost surely, 2^12011110019 is an apocalyptic number.

12011110019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011110019 is an equidigital number, since it uses as much as digits as its factorization.

12011110019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 12011110019 in words is "twelve billion, eleven million, one hundred ten thousand, nineteen".