234421212 has 24 divisors (see below), whose sum is σ = 551826576. Its totient is φ = 77448448.

The previous prime is 234421207. The next prime is 234421217. The reversal of 234421212 is 212124432.

It is an interprime number because it is at equal distance from previous prime (234421207) and next prime (234421217).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234421217) 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, 85083 + ... + 87794.

It is an arithmetic number, because the mean of its divisors is an integer number (22992774).

Almost surely, 2^234421212 is an apocalyptic number.

It is an amenable number.

234421212 is an abundant number, since it is smaller than the sum of its proper divisors (317405364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234421212 is a wasteful number, since it uses less digits than its factorization.

234421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172997 (or 172995 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 234421212 is about 15310.8200956056. The cubic root of 234421212 is about 616.5935380858.

Adding to 234421212 its reverse (212124432), we get a palindrome (446545644).

The spelling of 234421212 in words is "two hundred thirty-four million, four hundred twenty-one thousand, two hundred twelve".