212704407239 has 2 divisors, whose sum is σ = 212704407240. Its totient is φ = 212704407238.

The previous prime is 212704407197. The next prime is 212704407241. The reversal of 212704407239 is 932704407212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212704407239 - 2³² = 208409439943 is a prime.

Together with 212704407241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212704407196 and 212704407205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212704457239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106352203619 + 106352203620.

It is an arithmetic number, because the mean of its divisors is an integer number (106352203620).

Almost surely, 2^212704407239 is an apocalyptic number.

212704407239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212704407239 is an equidigital number, since it uses as much as digits as its factorization.

212704407239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 212704407239 in words is "two hundred twelve billion, seven hundred four million, four hundred seven thousand, two hundred thirty-nine".