212215117167037 has 2 divisors, whose sum is σ = 212215117167038. Its totient is φ = 212215117167036.

The previous prime is 212215117167013. The next prime is 212215117167043. The reversal of 212215117167037 is 730761711512212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196120810610596 + 16094306556441 = 14004314^2 + 4011771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212215117167037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212215117167047) 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, 106107558583518 + 106107558583519.

It is an arithmetic number, because the mean of its divisors is an integer number (106107558583519).

Almost surely, 2^{212215117167037} is an apocalyptic number.

It is an amenable number.

212215117167037 is a deficient number, since it is larger than the sum of its proper divisors (1).

212215117167037 is an equidigital number, since it uses as much as digits as its factorization.

212215117167037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 46.

Adding to 212215117167037 its reverse (730761711512212), we get a palindrome (942976828679249).

The spelling of 212215117167037 in words is "two hundred twelve trillion, two hundred fifteen billion, one hundred seventeen million, one hundred sixty-seven thousand, thirty-seven".