212111232043 has 2 divisors, whose sum is σ = 212111232044. Its totient is φ = 212111232042.

The previous prime is 212111232019. The next prime is 212111232059. The reversal of 212111232043 is 340232111212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212111232043 - 2⁹ = 212111231531 is a prime.

It is not a weakly prime, because it can be changed into another prime (212111232343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055616021 + 106055616022.

It is an arithmetic number, because the mean of its divisors is an integer number (106055616022).

Almost surely, 2^212111232043 is an apocalyptic number.

212111232043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111232043 is an equidigital number, since it uses as much as digits as its factorization.

212111232043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212111232043 its reverse (340232111212), we get a palindrome (552343343255).

The spelling of 212111232043 in words is "two hundred twelve billion, one hundred eleven million, two hundred thirty-two thousand, forty-three".