212433450 has 24 divisors (see below), whose sum is σ = 526835328. Its totient is φ = 56648880.

The previous prime is 212433443. The next prime is 212433469. The reversal of 212433450 is 54334212.

212433450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212433450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707962 + ... + 708261.

It is an arithmetic number, because the mean of its divisors is an integer number (21951472).

Almost surely, 2^212433450 is an apocalyptic number.

212433450 is an abundant number, since it is smaller than the sum of its proper divisors (314401878).

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

212433450 is a wasteful number, since it uses less digits than its factorization.

212433450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416238 (or 1416233 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 212433450 is about 14575.0969121992. The cubic root of 212433450 is about 596.6792943171.

Adding to 212433450 its reverse (54334212), we get a palindrome (266767662).

The spelling of 212433450 in words is "two hundred twelve million, four hundred thirty-three thousand, four hundred fifty".