212112119990893 has 2 divisors, whose sum is σ = 212112119990894. Its totient is φ = 212112119990892.

The previous prime is 212112119990801. The next prime is 212112119990917. The reversal of 212112119990893 is 398099911211212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145279582027204 + 66832537963689 = 12053198^2 + 8175117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112119990893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112119999893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056059995446 + 106056059995447.

It is an arithmetic number, because the mean of its divisors is an integer number (106056059995447).

Almost surely, 2^{212112119990893} is an apocalyptic number.

It is an amenable number.

212112119990893 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112119990893 is an equidigital number, since it uses as much as digits as its factorization.

212112119990893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 58.

The spelling of 212112119990893 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred nineteen million, nine hundred ninety thousand, eight hundred ninety-three".