212320030122947 has 2 divisors, whose sum is σ = 212320030122948. Its totient is φ = 212320030122946.

The previous prime is 212320030122923. The next prime is 212320030123081. The reversal of 212320030122947 is 749221030023212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212320030122947 - 2¹⁸ = 212320029860803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212320030122947.

It is not a weakly prime, because it can be changed into another prime (212320030122917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160015061473 + 106160015061474.

It is an arithmetic number, because the mean of its divisors is an integer number (106160015061474).

Almost surely, 2^{212320030122947} is an apocalyptic number.

212320030122947 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320030122947 is an equidigital number, since it uses as much as digits as its factorization.

212320030122947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 212320030122947 in words is "two hundred twelve trillion, three hundred twenty billion, thirty million, one hundred twenty-two thousand, nine hundred forty-seven".