212020240343 has 4 divisors (see below), whose sum is σ = 212021181120. Its totient is φ = 212019299568.

The previous prime is 212020240339. The next prime is 212020240363. The reversal of 212020240343 is 343042020212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212020240343 - 2² = 212020240339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020240363) 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, 90971 + ... + 657507.

It is an arithmetic number, because the mean of its divisors is an integer number (53005295280).

Almost surely, 2^212020240343 is an apocalyptic number.

212020240343 is a deficient number, since it is larger than the sum of its proper divisors (940777).

212020240343 is an equidigital number, since it uses as much as digits as its factorization.

212020240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940776.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 212020240343 its reverse (343042020212), we get a palindrome (555062260555).

The spelling of 212020240343 in words is "two hundred twelve billion, twenty million, two hundred forty thousand, three hundred forty-three".