12019000027 has 2 divisors, whose sum is σ = 12019000028. Its totient is φ = 12019000026.

The previous prime is 12018999997. The next prime is 12019000067. The reversal of 12019000027 is 72000091021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12019000027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12018999971 and 12019000007.

It is not a weakly prime, because it can be changed into another prime (12019000067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009500013 + 6009500014.

It is an arithmetic number, because the mean of its divisors is an integer number (6009500014).

Almost surely, 2^12019000027 is an apocalyptic number.

12019000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12019000027 is an equidigital number, since it uses as much as digits as its factorization.

12019000027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 12019000027 its reverse (72000091021), we get a palindrome (84019091048).

The spelling of 12019000027 in words is "twelve billion, nineteen million, twenty-seven", and thus it is an aban number and an uban number.