212003443369 has 2 divisors, whose sum is σ = 212003443370. Its totient is φ = 212003443368.

The previous prime is 212003443313. The next prime is 212003443427. The reversal of 212003443369 is 963344300212.

212003443369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207422860969 + 4580582400 = 455437^2 + 67680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212003443369 is a prime.

It is a super-2 number, since 2×212003443369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212003443469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001721684 + 106001721685.

It is an arithmetic number, because the mean of its divisors is an integer number (106001721685).

Almost surely, 2^212003443369 is an apocalyptic number.

It is an amenable number.

212003443369 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003443369 is an equidigital number, since it uses as much as digits as its factorization.

212003443369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 212003443369 in words is "two hundred twelve billion, three million, four hundred forty-three thousand, three hundred sixty-nine".