212424323234 has 4 divisors (see below), whose sum is σ = 318636484854. Its totient is φ = 106212161616.

The previous prime is 212424323183. The next prime is 212424323257. The reversal of 212424323234 is 432323424212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208972408225 + 3451915009 = 457135^2 + 58753^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212424323234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53106080807 + ... + 53106080810.

Almost surely, 2^212424323234 is an apocalyptic number.

212424323234 is a deficient number, since it is larger than the sum of its proper divisors (106212161620).

212424323234 is a wasteful number, since it uses less digits than its factorization.

212424323234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106212161619.

The product of its digits is 55296, while the sum is 32.

Adding to 212424323234 its reverse (432323424212), we get a palindrome (644747747446).

The spelling of 212424323234 in words is "two hundred twelve billion, four hundred twenty-four million, three hundred twenty-three thousand, two hundred thirty-four".