212030230123 has 2 divisors, whose sum is σ = 212030230124. Its totient is φ = 212030230122.

The previous prime is 212030230073. The next prime is 212030230169. The reversal of 212030230123 is 321032030212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212030230123 - 2²⁵ = 211996675691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212030230123.

It is not a weakly prime, because it can be changed into another prime (212030330123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015115061 + 106015115062.

It is an arithmetic number, because the mean of its divisors is an integer number (106015115062).

Almost surely, 2^212030230123 is an apocalyptic number.

212030230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030230123 is an equidigital number, since it uses as much as digits as its factorization.

212030230123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212030230123 its reverse (321032030212), we get a palindrome (533062260335).

The spelling of 212030230123 in words is "two hundred twelve billion, thirty million, two hundred thirty thousand, one hundred twenty-three".