212326019 has 2 divisors, whose sum is σ = 212326020. Its totient is φ = 212326018.

The previous prime is 212326001. The next prime is 212326021. The reversal of 212326019 is 910623212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212326019 is a prime.

It is a super-2 number, since 2×212326019² = 90164676688776722, which contains 22 as substring.

Together with 212326021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212326069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106163009 + 106163010.

It is an arithmetic number, because the mean of its divisors is an integer number (106163010).

Almost surely, 2^212326019 is an apocalyptic number.

212326019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212326019 is an equidigital number, since it uses as much as digits as its factorization.

212326019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 212326019 is about 14571.4110160959. The cubic root of 212326019 is about 596.5786939297.

The spelling of 212326019 in words is "two hundred twelve million, three hundred twenty-six thousand, nineteen".