212443133330 has 8 divisors (see below), whose sum is σ = 382397640012. Its totient is φ = 84977253328.

The previous prime is 212443133303. The next prime is 212443133341. The reversal of 212443133330 is 33331344212.

It can be written as a sum of positive squares in 2 ways, for example, as 210792092641 + 1651040689 = 459121^2 + 40633^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212443133293 and 212443133302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10622156657 + ... + 10622156676.

Almost surely, 2^212443133330 is an apocalyptic number.

212443133330 is a deficient number, since it is larger than the sum of its proper divisors (169954506682).

212443133330 is a wasteful number, since it uses less digits than its factorization.

212443133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21244313340.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 212443133330 its reverse (33331344212), we get a palindrome (245774477542).

The spelling of 212443133330 in words is "two hundred twelve billion, four hundred forty-three million, one hundred thirty-three thousand, three hundred thirty".