212039 has 2 divisors, whose sum is σ = 212040. Its totient is φ = 212038.

The previous prime is 212029. The next prime is 212057. The reversal of 212039 is 930212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106019 + 106020.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

2²¹²⁰³⁹ is an apocalyptic number.

212039 is a deficient number, since it is larger than the sum of its proper divisors (1).

212039 is an equidigital number, since it uses as much as digits as its factorization.

212039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 212039 is about 460.4769266749. The cubic root of 212039 is about 59.6309757455.

It can be divided in two parts, 21203 and 9, that added together give a palindrome (21212).

The spelling of 212039 in words is "two hundred twelve thousand, thirty-nine".