212124127 has 2 divisors, whose sum is σ = 212124128. Its totient is φ = 212124126.

The previous prime is 212124109. The next prime is 212124131. The reversal of 212124127 is 721421212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212124127 - 2¹⁵ = 212091359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212124098 and 212124107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212125127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106062063 + 106062064.

It is an arithmetic number, because the mean of its divisors is an integer number (106062064).

Almost surely, 2^212124127 is an apocalyptic number.

212124127 is a deficient number, since it is larger than the sum of its proper divisors (1).

212124127 is an equidigital number, since it uses as much as digits as its factorization.

212124127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 212124127 is about 14564.4816934898. The cubic root of 212124127 is about 596.3895466589.

Adding to 212124127 its reverse (721421212), we get a palindrome (933545339).

The spelling of 212124127 in words is "two hundred twelve million, one hundred twenty-four thousand, one hundred twenty-seven".