212203113443 has 2 divisors, whose sum is σ = 212203113444. Its totient is φ = 212203113442.

The previous prime is 212203113319. The next prime is 212203113457. The reversal of 212203113443 is 344311302212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212203113443 - 2²⁴ = 212186336227 is a prime.

It is a super-2 number, since 2×212203113443² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212203103443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101556721 + 106101556722.

It is an arithmetic number, because the mean of its divisors is an integer number (106101556722).

Almost surely, 2^212203113443 is an apocalyptic number.

212203113443 is a deficient number, since it is larger than the sum of its proper divisors (1).

212203113443 is an equidigital number, since it uses as much as digits as its factorization.

212203113443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212203113443 its reverse (344311302212), we get a palindrome (556514415655).

The spelling of 212203113443 in words is "two hundred twelve billion, two hundred three million, one hundred thirteen thousand, four hundred forty-three".