212024131217 has 2 divisors, whose sum is σ = 212024131218. Its totient is φ = 212024131216.

The previous prime is 212024131213. The next prime is 212024131273. The reversal of 212024131217 is 712131420212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167779532881 + 44244598336 = 409609^2 + 210344^2 .

It is a cyclic number.

It is not a de Polignac number, because 212024131217 - 2² = 212024131213 is a prime.

It is not a weakly prime, because it can be changed into another prime (212024131213) 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, 106012065608 + 106012065609.

It is an arithmetic number, because the mean of its divisors is an integer number (106012065609).

Almost surely, 2^212024131217 is an apocalyptic number.

It is an amenable number.

212024131217 is a deficient number, since it is larger than the sum of its proper divisors (1).

212024131217 is an equidigital number, since it uses as much as digits as its factorization.

212024131217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 212024131217 its reverse (712131420212), we get a palindrome (924155551429).

The spelling of 212024131217 in words is "two hundred twelve billion, twenty-four million, one hundred thirty-one thousand, two hundred seventeen".