212133344243 has 2 divisors, whose sum is σ = 212133344244. Its totient is φ = 212133344242.

The previous prime is 212133344219. The next prime is 212133344299. The reversal of 212133344243 is 342443331212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212133344243 - 2²⁰ = 212132295667 is a prime.

It is not a weakly prime, because it can be changed into another prime (212133344543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066672121 + 106066672122.

It is an arithmetic number, because the mean of its divisors is an integer number (106066672122).

Almost surely, 2^212133344243 is an apocalyptic number.

212133344243 is a deficient number, since it is larger than the sum of its proper divisors (1).

212133344243 is an equidigital number, since it uses as much as digits as its factorization.

212133344243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 32.

Adding to 212133344243 its reverse (342443331212), we get a palindrome (554576675455).

The spelling of 212133344243 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred forty-four thousand, two hundred forty-three".