212030204303123 has 2 divisors, whose sum is σ = 212030204303124. Its totient is φ = 212030204303122.

The previous prime is 212030204303023. The next prime is 212030204303219. The reversal of 212030204303123 is 321303402030212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212030204303123 - 2²⁸ = 212029935867667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030204303092 and 212030204303101.

It is not a weakly prime, because it can be changed into another prime (212030204303023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015102151561 + 106015102151562.

It is an arithmetic number, because the mean of its divisors is an integer number (106015102151562).

Almost surely, 2^{212030204303123} is an apocalyptic number.

212030204303123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030204303123 is an equidigital number, since it uses as much as digits as its factorization.

212030204303123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 212030204303123 its reverse (321303402030212), we get a palindrome (533333606333335).

The spelling of 212030204303123 in words is "two hundred twelve trillion, thirty billion, two hundred four million, three hundred three thousand, one hundred twenty-three".