212020230073 has 2 divisors, whose sum is σ = 212020230074. Its totient is φ = 212020230072.

The previous prime is 212020230017. The next prime is 212020230083. The reversal of 212020230073 is 370032020212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202327236864 + 9692993209 = 449808^2 + 98453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020230073 is a prime.

It is not a weakly prime, because it can be changed into another prime (212020230083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010115036 + 106010115037.

It is an arithmetic number, because the mean of its divisors is an integer number (106010115037).

Almost surely, 2^212020230073 is an apocalyptic number.

It is an amenable number.

212020230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020230073 is an equidigital number, since it uses as much as digits as its factorization.

212020230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 212020230073 its reverse (370032020212), we get a palindrome (582052250285).

The spelling of 212020230073 in words is "two hundred twelve billion, twenty million, two hundred thirty thousand, seventy-three".