212112023 has 2 divisors, whose sum is σ = 212112024. Its totient is φ = 212112022.

The previous prime is 212112001. The next prime is 212112059. The reversal of 212112023 is 320211212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212112023 - 2⁶ = 212111959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212111989 and 212112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056011 + 106056012.

It is an arithmetic number, because the mean of its divisors is an integer number (106056012).

Almost surely, 2^212112023 is an apocalyptic number.

212112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112023 is an equidigital number, since it uses as much as digits as its factorization.

212112023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212112023 is about 14564.0661561255. The cubic root of 212112023 is about 596.3782029290.

Adding to 212112023 its reverse (320211212), we get a palindrome (532323235).

The spelling of 212112023 in words is "two hundred twelve million, one hundred twelve thousand, twenty-three".