212240020343 has 8 divisors (see below), whose sum is σ = 242011245168. Its totient is φ = 184389519744.

The previous prime is 212240020327. The next prime is 212240020387. The reversal of 212240020343 is 343020042212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212240020343 - 2⁴ = 212240020327 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 (212240020843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480180821 + ... + 480181262.

It is an arithmetic number, because the mean of its divisors is an integer number (30251405646).

Almost surely, 2^212240020343 is an apocalyptic number.

212240020343 is a deficient number, since it is larger than the sum of its proper divisors (29771224825).

212240020343 is a wasteful number, since it uses less digits than its factorization.

212240020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960362113.

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

Adding to 212240020343 its reverse (343020042212), we get a palindrome (555260062555).

The spelling of 212240020343 in words is "two hundred twelve billion, two hundred forty million, twenty thousand, three hundred forty-three".