212063420243 has 4 divisors (see below), whose sum is σ = 212229485280. Its totient is φ = 211897355208.

The previous prime is 212063420209. The next prime is 212063420269. The reversal of 212063420243 is 342024360212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212063420243 - 2¹⁶ = 212063354707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212063420743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83030603 + ... + 83033156.

It is an arithmetic number, because the mean of its divisors is an integer number (53057371320).

Almost surely, 2^212063420243 is an apocalyptic number.

212063420243 is a deficient number, since it is larger than the sum of its proper divisors (166065037).

212063420243 is a wasteful number, since it uses less digits than its factorization.

212063420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166065036.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 212063420243 its reverse (342024360212), we get a palindrome (554087780455).

The spelling of 212063420243 in words is "two hundred twelve billion, sixty-three million, four hundred twenty thousand, two hundred forty-three".