212433242 has 16 divisors (see below), whose sum is σ = 364418880. Its totient is φ = 90980928.

The previous prime is 212433227. The next prime is 212433269. The reversal of 212433242 is 242334212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20609 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (22776180).

Almost surely, 2^212433242 is an apocalyptic number.

212433242 is a deficient number, since it is larger than the sum of its proper divisors (151985638).

212433242 is a wasteful number, since it uses less digits than its factorization.

212433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325.

The product of its digits is 2304, while the sum is 23.

The square root of 212433242 is about 14575.0897767389. The cubic root of 212433242 is about 596.6790995748.

Adding to 212433242 its reverse (242334212), we get a palindrome (454767454).

The spelling of 212433242 in words is "two hundred twelve million, four hundred thirty-three thousand, two hundred forty-two".