212023199 has 2 divisors, whose sum is σ = 212023200. Its totient is φ = 212023198.

The previous prime is 212023183. The next prime is 212023241. The reversal of 212023199 is 991320212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212023199 - 2⁴ = 212023183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212023169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011599 + 106011600.

It is an arithmetic number, because the mean of its divisors is an integer number (106011600).

Almost surely, 2^212023199 is an apocalyptic number.

212023199 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023199 is an equidigital number, since it uses as much as digits as its factorization.

212023199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 212023199 is about 14561.0164136986. The cubic root of 212023199 is about 596.2949448897.

The spelling of 212023199 in words is "two hundred twelve million, twenty-three thousand, one hundred ninety-nine".