212340679 has 2 divisors, whose sum is σ = 212340680. Its totient is φ = 212340678.

The previous prime is 212340671. The next prime is 212340757. The reversal of 212340679 is 976043212.

212340679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212340679 - 2³ = 212340671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212340671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106170339 + 106170340.

It is an arithmetic number, because the mean of its divisors is an integer number (106170340).

Almost surely, 2^212340679 is an apocalyptic number.

212340679 is a deficient number, since it is larger than the sum of its proper divisors (1).

212340679 is an equidigital number, since it uses as much as digits as its factorization.

212340679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 212340679 is about 14571.9140472348. The cubic root of 212340679 is about 596.5924238256.

The spelling of 212340679 in words is "two hundred twelve million, three hundred forty thousand, six hundred seventy-nine".