212677133 has 2 divisors, whose sum is σ = 212677134. Its totient is φ = 212677132.

The previous prime is 212677117. The next prime is 212677177. The reversal of 212677133 is 331776212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211906249 + 770884 = 14557^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 212677133 - 2⁴ = 212677117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212677133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212677433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106338566 + 106338567.

It is an arithmetic number, because the mean of its divisors is an integer number (106338567).

Almost surely, 2^212677133 is an apocalyptic number.

It is an amenable number.

212677133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212677133 is an equidigital number, since it uses as much as digits as its factorization.

212677133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 212677133 is about 14583.4540833096. The cubic root of 212677133 is about 596.9073579600.

The spelling of 212677133 in words is "two hundred twelve million, six hundred seventy-seven thousand, one hundred thirty-three".