212304419 has 2 divisors, whose sum is σ = 212304420. Its totient is φ = 212304418.

The previous prime is 212304401. The next prime is 212304431. The reversal of 212304419 is 914403212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212304419 is a prime.

It is a super-2 number, since 2×212304419² = 90146332653855122, which contains 22 as substring.

It is equal to p_11721725 and since 212304419 and 11721725 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (212304019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106152209 + 106152210.

It is an arithmetic number, because the mean of its divisors is an integer number (106152210).

Almost surely, 2^212304419 is an apocalyptic number.

212304419 is a deficient number, since it is larger than the sum of its proper divisors (1).

212304419 is an equidigital number, since it uses as much as digits as its factorization.

212304419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 212304419 is about 14570.6698198813. The cubic root of 212304419 is about 596.5584631908.

The spelling of 212304419 in words is "two hundred twelve million, three hundred four thousand, four hundred nineteen".