212533432 has 32 divisors (see below), whose sum is σ = 419680800. Its totient is φ = 100704384.

The previous prime is 212533423. The next prime is 212533471. The reversal of 212533432 is 234335212.

It is a junction number, because it is equal to n+sod(n) for n = 212533397 and 212533406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14758 + ... + 25354.

It is an arithmetic number, because the mean of its divisors is an integer number (13115025).

Almost surely, 2^212533432 is an apocalyptic number.

It is an amenable number.

212533432 is a deficient number, since it is larger than the sum of its proper divisors (207147368).

212533432 is a wasteful number, since it uses less digits than its factorization.

212533432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735 (or 10731 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 212533432 is about 14578.5264001544. The cubic root of 212533432 is about 596.7728888560.

Adding to 212533432 its reverse (234335212), we get a palindrome (446868644).

The spelling of 212533432 in words is "two hundred twelve million, five hundred thirty-three thousand, four hundred thirty-two".