212420519 has 2 divisors, whose sum is σ = 212420520. Its totient is φ = 212420518.

The previous prime is 212420501. The next prime is 212420521. The reversal of 212420519 is 915024212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212420519 - 2¹² = 212416423 is a prime.

It is a super-2 number, since 2×212420519² = 90244953784458722, which contains 22 as substring.

Together with 212420521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212420599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106210259 + 106210260.

It is an arithmetic number, because the mean of its divisors is an integer number (106210260).

Almost surely, 2^212420519 is an apocalyptic number.

212420519 is a deficient number, since it is larger than the sum of its proper divisors (1).

212420519 is an equidigital number, since it uses as much as digits as its factorization.

212420519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 212420519 is about 14574.6533063397. The cubic root of 212420519 is about 596.6671872839.

The spelling of 212420519 in words is "two hundred twelve million, four hundred twenty thousand, five hundred nineteen".