212882429 has 2 divisors, whose sum is σ = 212882430. Its totient is φ = 212882428.

The previous prime is 212882413. The next prime is 212882437. The reversal of 212882429 is 924288212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212284900 + 597529 = 14570^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 212882429 - 2⁴ = 212882413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212882392 and 212882401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212882459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106441214 + 106441215.

It is an arithmetic number, because the mean of its divisors is an integer number (106441215).

Almost surely, 2^212882429 is an apocalyptic number.

It is an amenable number.

212882429 is a deficient number, since it is larger than the sum of its proper divisors (1).

212882429 is an equidigital number, since it uses as much as digits as its factorization.

212882429 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 212882429 is about 14590.4910472540. The cubic root of 212882429 is about 597.0993599278.

The spelling of 212882429 in words is "two hundred twelve million, eight hundred eighty-two thousand, four hundred twenty-nine".