234821212 has 12 divisors (see below), whose sum is σ = 419680800. Its totient is φ = 114912416.

The previous prime is 234821183. The next prime is 234821233. The reversal of 234821212 is 212128432.

It is a congruent number.

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, 624337 + ... + 624712.

It is an arithmetic number, because the mean of its divisors is an integer number (34973400).

Almost surely, 2^234821212 is an apocalyptic number.

It is an amenable number.

234821212 is a deficient number, since it is larger than the sum of its proper divisors (184859588).

234821212 is a wasteful number, since it uses less digits than its factorization.

234821212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249100 (or 1249098 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 234821212 is about 15323.8771856211. The cubic root of 234821212 is about 616.9440428664.

Adding to 234821212 its reverse (212128432), we get a palindrome (446949644).

The spelling of 234821212 in words is "two hundred thirty-four million, eight hundred twenty-one thousand, two hundred twelve".