212333284435117 has 2 divisors, whose sum is σ = 212333284435118. Its totient is φ = 212333284435116.

The previous prime is 212333284435039. The next prime is 212333284435147. The reversal of 212333284435117 is 711534482333212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143671411662601 + 68661872772516 = 11986301^2 + 8286246^2 .

It is a cyclic number.

It is not a de Polignac number, because 212333284435117 - 2²³ = 212333276046509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212333284435147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166642217558 + 106166642217559.

It is an arithmetic number, because the mean of its divisors is an integer number (106166642217559).

Almost surely, 2^{212333284435117} is an apocalyptic number.

It is an amenable number.

212333284435117 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333284435117 is an equidigital number, since it uses as much as digits as its factorization.

212333284435117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 212333284435117 in words is "two hundred twelve trillion, three hundred thirty-three billion, two hundred eighty-four million, four hundred thirty-five thousand, one hundred seventeen".