212023020320213 has 2 divisors, whose sum is σ = 212023020320214. Its totient is φ = 212023020320212.

The previous prime is 212023020320173. The next prime is 212023020320219. The reversal of 212023020320213 is 312023020320212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204318493176004 + 7704527144209 = 14294002^2 + 2775703^2 .

It is a cyclic number.

It is not a de Polignac number, because 212023020320213 - 2²⁴ = 212023003542997 is a prime.

It is a super-2 number, since 2×212023020320213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212023020320219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011510160106 + 106011510160107.

It is an arithmetic number, because the mean of its divisors is an integer number (106011510160107).

Almost surely, 2^{212023020320213} is an apocalyptic number.

It is an amenable number.

212023020320213 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023020320213 is an equidigital number, since it uses as much as digits as its factorization.

212023020320213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212023020320213 its reverse (312023020320212), we get a palindrome (524046040640425).

Subtracting 212023020320213 from its reverse (312023020320212), we obtain a palindrome (99999999999999).

The spelling of 212023020320213 in words is "two hundred twelve trillion, twenty-three billion, twenty million, three hundred twenty thousand, two hundred thirteen".