212433342 has 32 divisors (see below), whose sum is σ = 464914944. Its totient is φ = 64176000.

The previous prime is 212433337. The next prime is 212433367. The reversal of 212433342 is 243334212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17467 + ... + 27017.

It is an arithmetic number, because the mean of its divisors is an integer number (14528592).

Almost surely, 2^212433342 is an apocalyptic number.

212433342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212433342 is an abundant number, since it is smaller than the sum of its proper divisors (252481602).

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

212433342 is a wasteful number, since it uses less digits than its factorization.

212433342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9904.

The product of its digits is 3456, while the sum is 24.

The square root of 212433342 is about 14575.0932072491. The cubic root of 212433342 is about 596.6791932009.

Adding to 212433342 its reverse (243334212), we get a palindrome (455767554).

The spelling of 212433342 in words is "two hundred twelve million, four hundred thirty-three thousand, three hundred forty-two".