212112213193 has 2 divisors, whose sum is σ = 212112213194. Its totient is φ = 212112213192.

The previous prime is 212112213121. The next prime is 212112213199. The reversal of 212112213193 is 391312211212.

212112213193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150968771209 + 61143441984 = 388547^2 + 247272^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112213193 - 2²¹ = 212110116041 is a prime.

It is not a weakly prime, because it can be changed into another prime (212112213199) 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, 106056106596 + 106056106597.

It is an arithmetic number, because the mean of its divisors is an integer number (106056106597).

Almost surely, 2^212112213193 is an apocalyptic number.

It is an amenable number.

212112213193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112213193 is an equidigital number, since it uses as much as digits as its factorization.

212112213193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The spelling of 212112213193 in words is "two hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, one hundred ninety-three".