212021200043 has 2 divisors, whose sum is σ = 212021200044. Its totient is φ = 212021200042.

The previous prime is 212021200031. The next prime is 212021200087. The reversal of 212021200043 is 340002120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021200043 - 2⁶ = 212021199979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021199994 and 212021200030.

It is not a weakly prime, because it can be changed into another prime (212021220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010600021 + 106010600022.

It is an arithmetic number, because the mean of its divisors is an integer number (106010600022).

Almost surely, 2^212021200043 is an apocalyptic number.

212021200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021200043 is an equidigital number, since it uses as much as digits as its factorization.

212021200043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212021200043 its reverse (340002120212), we get a palindrome (552023320255).

The spelling of 212021200043 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, forty-three".