212513443 has 2 divisors, whose sum is σ = 212513444. Its totient is φ = 212513442.

The previous prime is 212513419. The next prime is 212513467. The reversal of 212513443 is 344315212.

212513443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (212513419) and next prime (212513467).

It is a cyclic number.

It is not a de Polignac number, because 212513443 - 2⁹ = 212512931 is a prime.

It is not a weakly prime, because it can be changed into another prime (212513143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106256721 + 106256722.

It is an arithmetic number, because the mean of its divisors is an integer number (106256722).

Almost surely, 2^212513443 is an apocalyptic number.

212513443 is a deficient number, since it is larger than the sum of its proper divisors (1).

212513443 is an equidigital number, since it uses as much as digits as its factorization.

212513443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 212513443 is about 14577.8408209172. The cubic root of 212513443 is about 596.7541792235.

Adding to 212513443 its reverse (344315212), we get a palindrome (556828655).

The spelling of 212513443 in words is "two hundred twelve million, five hundred thirteen thousand, four hundred forty-three".