212284829 has 2 divisors, whose sum is σ = 212284830. Its totient is φ = 212284828.

The previous prime is 212284783. The next prime is 212284837. The reversal of 212284829 is 928482212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167702500 + 44582329 = 12950^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 212284829 - 2⁸ = 212284573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212284792 and 212284801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212280829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106142414 + 106142415.

It is an arithmetic number, because the mean of its divisors is an integer number (106142415).

Almost surely, 2^212284829 is an apocalyptic number.

It is an amenable number.

212284829 is a deficient number, since it is larger than the sum of its proper divisors (1).

212284829 is an equidigital number, since it uses as much as digits as its factorization.

212284829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 38.

The square root of 212284829 is about 14569.9975634864. The cubic root of 212284829 is about 596.5401138479.

The spelling of 212284829 in words is "two hundred twelve million, two hundred eighty-four thousand, eight hundred twenty-nine".