212535424 has 16 divisors (see below), whose sum is σ = 423410670. Its totient is φ = 106267648.

The previous prime is 212535409. The next prime is 212535443. The reversal of 212535424 is 424535212.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 9985600 = 14232^2 + 3160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 212535392 and 212535401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830089 + ... + 830344.

Almost surely, 2^212535424 is an apocalyptic number.

It is an amenable number.

212535424 is a deficient number, since it is larger than the sum of its proper divisors (210875246).

212535424 is an equidigital number, since it uses as much as digits as its factorization.

212535424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660447 (or 1660435 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 212535424 is about 14578.5947196566. The cubic root of 212535424 is about 596.7747532966.

The spelling of 212535424 in words is "two hundred twelve million, five hundred thirty-five thousand, four hundred twenty-four".