212031220319 has 2 divisors, whose sum is σ = 212031220320. Its totient is φ = 212031220318.

The previous prime is 212031220283. The next prime is 212031220327. The reversal of 212031220319 is 913022130212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212031220319 - 2¹² = 212031216223 is a prime.

It is a super-2 number, since 2×212031220319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212031220369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015610159 + 106015610160.

It is an arithmetic number, because the mean of its divisors is an integer number (106015610160).

Almost surely, 2^212031220319 is an apocalyptic number.

212031220319 is a deficient number, since it is larger than the sum of its proper divisors (1).

212031220319 is an equidigital number, since it uses as much as digits as its factorization.

212031220319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 212031220319 in words is "two hundred twelve billion, thirty-one million, two hundred twenty thousand, three hundred nineteen".