12012112221007 has 2 divisors, whose sum is σ = 12012112221008. Its totient is φ = 12012112221006.

The previous prime is 12012112220987. The next prime is 12012112221023. The reversal of 12012112221007 is 70012221121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12012112221007 - 2⁷ = 12012112220879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012112225007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006056110503 + 6006056110504.

It is an arithmetic number, because the mean of its divisors is an integer number (6006056110504).

Almost surely, 2^{12012112221007} is an apocalyptic number.

12012112221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012112221007 is an equidigital number, since it uses as much as digits as its factorization.

12012112221007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12012112221007 its reverse (70012221121021), we get a palindrome (82024333342028).

The spelling of 12012112221007 in words is "twelve trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, seven".