212003443427 has 2 divisors, whose sum is σ = 212003443428. Its totient is φ = 212003443426.

The previous prime is 212003443369. The next prime is 212003443453. The reversal of 212003443427 is 724344300212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212003443427 - 2¹⁴ = 212003427043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212003443393 and 212003443402.

It is not a weakly prime, because it can be changed into another prime (212003445427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001721713 + 106001721714.

It is an arithmetic number, because the mean of its divisors is an integer number (106001721714).

Almost surely, 2^212003443427 is an apocalyptic number.

212003443427 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003443427 is an equidigital number, since it uses as much as digits as its factorization.

212003443427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 212003443427 its reverse (724344300212), we get a palindrome (936347743639).

The spelling of 212003443427 in words is "two hundred twelve billion, three million, four hundred forty-three thousand, four hundred twenty-seven".