212434234 has 8 divisors (see below), whose sum is σ = 323016660. Its totient is φ = 104762016.

The previous prime is 212434213. The next prime is 212434247. The reversal of 212434234 is 432434212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211615209 + 819025 = 14547^2 + 905^2 .

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 = 212434199 and 212434208.

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, 727369 + ... + 727660.

Almost surely, 2^212434234 is an apocalyptic number.

212434234 is a deficient number, since it is larger than the sum of its proper divisors (110582426).

212434234 is a wasteful number, since it uses less digits than its factorization.

212434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455104.

The product of its digits is 4608, while the sum is 25.

The square root of 212434234 is about 14575.1238073644. The cubic root of 212434234 is about 596.6800283446.

Adding to 212434234 its reverse (432434212), we get a palindrome (644868446).

The spelling of 212434234 in words is "two hundred twelve million, four hundred thirty-four thousand, two hundred thirty-four".