2012132223197 has 2 divisors, whose sum is σ = 2012132223198. Its totient is φ = 2012132223196.

The previous prime is 2012132223109. The next prime is 2012132223229. The reversal of 2012132223197 is 7913222312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1834862594041 + 177269629156 = 1354571^2 + 421034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012132223197 - 2²⁸ = 2011863787741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012132223797) 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, 1006066111598 + 1006066111599.

It is an arithmetic number, because the mean of its divisors is an integer number (1006066111599).

Almost surely, 2^{2012132223197} is an apocalyptic number.

It is an amenable number.

2012132223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012132223197 is an equidigital number, since it uses as much as digits as its factorization.

2012132223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

Adding to 2012132223197 its reverse (7913222312102), we get a palindrome (9925354535299).

The spelling of 2012132223197 in words is "two trillion, twelve billion, one hundred thirty-two million, two hundred twenty-three thousand, one hundred ninety-seven".