212320212371 has 2 divisors, whose sum is σ = 212320212372. Its totient is φ = 212320212370.

The previous prime is 212320212367. The next prime is 212320212383. The reversal of 212320212371 is 173212023212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212320212371 - 2² = 212320212367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212320212371.

It is not a weakly prime, because it can be changed into another prime (212320212341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160106185 + 106160106186.

It is an arithmetic number, because the mean of its divisors is an integer number (106160106186).

Almost surely, 2^212320212371 is an apocalyptic number.

212320212371 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320212371 is an equidigital number, since it uses as much as digits as its factorization.

212320212371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 212320212371 its reverse (173212023212), we get a palindrome (385532235583).

The spelling of 212320212371 in words is "two hundred twelve billion, three hundred twenty million, two hundred twelve thousand, three hundred seventy-one".