212043223343 has 32 divisors (see below), whose sum is σ = 247600120320. Its totient is φ = 177841889280.

The previous prime is 212043223339. The next prime is 212043223387. The reversal of 212043223343 is 343322340212.

It is a cyclic number.

It is not a de Polignac number, because 212043223343 - 2² = 212043223339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212043223043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79744148 + ... + 79746806.

It is an arithmetic number, because the mean of its divisors is an integer number (7737503760).

Almost surely, 2^212043223343 is an apocalyptic number.

212043223343 is a deficient number, since it is larger than the sum of its proper divisors (35556896977).

212043223343 is a wasteful number, since it uses less digits than its factorization.

212043223343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 212043223343 its reverse (343322340212), we get a palindrome (555365563555).

The spelling of 212043223343 in words is "two hundred twelve billion, forty-three million, two hundred twenty-three thousand, three hundred forty-three".