212031220283 has 2 divisors, whose sum is σ = 212031220284. Its totient is φ = 212031220282.

The previous prime is 212031220267. The next prime is 212031220319. The reversal of 212031220283 is 382022130212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212031220283 - 2⁴ = 212031220267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212031220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015610141 + 106015610142.

It is an arithmetic number, because the mean of its divisors is an integer number (106015610142).

Almost surely, 2^212031220283 is an apocalyptic number.

212031220283 is a deficient number, since it is larger than the sum of its proper divisors (1).

212031220283 is an equidigital number, since it uses as much as digits as its factorization.

212031220283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 212031220283 its reverse (382022130212), we get a palindrome (594053350495).

The spelling of 212031220283 in words is "two hundred twelve billion, thirty-one million, two hundred twenty thousand, two hundred eighty-three".