12212134997 has 2 divisors, whose sum is σ = 12212134998. Its totient is φ = 12212134996.

The previous prime is 12212134969. The next prime is 12212135041. The reversal of 12212134997 is 79943121221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11438516401 + 773618596 = 106951^2 + 27814^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212134997 - 2⁶ = 12212134933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212136997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106067498 + 6106067499.

It is an arithmetic number, because the mean of its divisors is an integer number (6106067499).

Almost surely, 2^12212134997 is an apocalyptic number.

It is an amenable number.

12212134997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212134997 is an equidigital number, since it uses as much as digits as its factorization.

12212134997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The spelling of 12212134997 in words is "twelve billion, two hundred twelve million, one hundred thirty-four thousand, nine hundred ninety-seven".