213012043 has 2 divisors, whose sum is σ = 213012044. Its totient is φ = 213012042.

The previous prime is 213012011. The next prime is 213012049. The reversal of 213012043 is 340210312.

It is a happy number.

213012043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213012043 - 2⁵ = 213012011 is a prime.

It is not a weakly prime, because it can be changed into another prime (213012049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506021 + 106506022.

It is an arithmetic number, because the mean of its divisors is an integer number (106506022).

Almost surely, 2^213012043 is an apocalyptic number.

213012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012043 is an equidigital number, since it uses as much as digits as its factorization.

213012043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213012043 is about 14594.9320998763. The cubic root of 213012043 is about 597.2205171557.

Adding to 213012043 its reverse (340210312), we get a palindrome (553222355).

The spelling of 213012043 in words is "two hundred thirteen million, twelve thousand, forty-three".