212320312079 has 2 divisors, whose sum is σ = 212320312080. Its totient is φ = 212320312078.

The previous prime is 212320312051. The next prime is 212320312147. The reversal of 212320312079 is 970213023212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212320312079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212320332079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160156039 + 106160156040.

It is an arithmetic number, because the mean of its divisors is an integer number (106160156040).

Almost surely, 2^212320312079 is an apocalyptic number.

212320312079 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320312079 is an equidigital number, since it uses as much as digits as its factorization.

212320312079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 212320312079 in words is "two hundred twelve billion, three hundred twenty million, three hundred twelve thousand, seventy-nine".