12012204727 has 2 divisors, whose sum is σ = 12012204728. Its totient is φ = 12012204726.

The previous prime is 12012204707. The next prime is 12012204767. The reversal of 12012204727 is 72740221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012204727 - 2²⁷ = 11877986999 is a prime.

It is a super-2 number, since 2×12012204727² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012204695 and 12012204704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012204707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006102363 + 6006102364.

It is an arithmetic number, because the mean of its divisors is an integer number (6006102364).

Almost surely, 2^12012204727 is an apocalyptic number.

12012204727 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012204727 is an equidigital number, since it uses as much as digits as its factorization.

12012204727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

Adding to 12012204727 its reverse (72740221021), we get a palindrome (84752425748).

The spelling of 12012204727 in words is "twelve billion, twelve million, two hundred four thousand, seven hundred twenty-seven".