212133210443 has 8 divisors (see below), whose sum is σ = 264477768960. Its totient is φ = 165298605480.

The previous prime is 212133210389. The next prime is 212133210473. The reversal of 212133210443 is 344012331212.

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 212133210443 - 2⁸ = 212133210187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133210473) 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, 1377488303 + ... + 1377488456.

It is an arithmetic number, because the mean of its divisors is an integer number (33059721120).

Almost surely, 2^212133210443 is an apocalyptic number.

212133210443 is a deficient number, since it is larger than the sum of its proper divisors (52344558517).

212133210443 is a wasteful number, since it uses less digits than its factorization.

212133210443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754976777.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212133210443 its reverse (344012331212), we get a palindrome (556145541655).

The spelling of 212133210443 in words is "two hundred twelve billion, one hundred thirty-three million, two hundred ten thousand, four hundred forty-three".