212090719 has 2 divisors, whose sum is σ = 212090720. Its totient is φ = 212090718.

The previous prime is 212090713. The next prime is 212090737. The reversal of 212090719 is 917090212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212090719 - 2¹¹ = 212088671 is a prime.

It is a super-2 number, since 2×212090719² = 89964946171873922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212090713) 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, 106045359 + 106045360.

It is an arithmetic number, because the mean of its divisors is an integer number (106045360).

Almost surely, 2^212090719 is an apocalyptic number.

212090719 is a deficient number, since it is larger than the sum of its proper divisors (1).

212090719 is an equidigital number, since it uses as much as digits as its factorization.

212090719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 212090719 is about 14563.3347486075. The cubic root of 212090719 is about 596.3582360165.

The spelling of 212090719 in words is "two hundred twelve million, ninety thousand, seven hundred nineteen".