12012012227 has 2 divisors, whose sum is σ = 12012012228. Its totient is φ = 12012012226.

The previous prime is 12012012217. The next prime is 12012012307. The reversal of 12012012227 is 72221021021.

It is a weak prime.

It is an emirp because it is prime and its reverse (72221021021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012012227 - 2⁶ = 12012012163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012012199 and 12012012208.

It is not a weakly prime, because it can be changed into another prime (12012012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006006113 + 6006006114.

It is an arithmetic number, because the mean of its divisors is an integer number (6006006114).

Almost surely, 2^12012012227 is an apocalyptic number.

12012012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012012227 is an equidigital number, since it uses as much as digits as its factorization.

12012012227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12012012227 its reverse (72221021021), we get a palindrome (84233033248).

The spelling of 12012012227 in words is "twelve billion, twelve million, twelve thousand, two hundred twenty-seven".