212433504 has 48 divisors (see below), whose sum is σ = 565295472. Its totient is φ = 69838848.

The previous prime is 212433503. The next prime is 212433511. The reversal of 212433504 is 405334212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212433503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8149 + ... + 22164.

It is an arithmetic number, because the mean of its divisors is an integer number (11776989).

Almost surely, 2^212433504 is an apocalyptic number.

212433504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212433504 is an abundant number, since it is smaller than the sum of its proper divisors (352861968).

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

212433504 is a wasteful number, since it uses less digits than its factorization.

212433504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30399 (or 30391 counting only the distinct ones).

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

The square root of 212433504 is about 14575.0987646739. The cubic root of 212433504 is about 596.6793448752.

Adding to 212433504 its reverse (405334212), we get a palindrome (617767716).

The spelling of 212433504 in words is "two hundred twelve million, four hundred thirty-three thousand, five hundred four".