212112121063 has 2 divisors, whose sum is σ = 212112121064. Its totient is φ = 212112121062.

The previous prime is 212112121057. The next prime is 212112121079. The reversal of 212112121063 is 360121211212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112121063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112121363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056060531 + 106056060532.

It is an arithmetic number, because the mean of its divisors is an integer number (106056060532).

Almost surely, 2^212112121063 is an apocalyptic number.

212112121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112121063 is an equidigital number, since it uses as much as digits as its factorization.

212112121063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212112121063 its reverse (360121211212), we get a palindrome (572233332275).

The spelling of 212112121063 in words is "two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, sixty-three".