212032424 has 16 divisors (see below), whose sum is σ = 398819700. Its totient is φ = 105680512.

The previous prime is 212032417. The next prime is 212032511. The reversal of 212032424 is 424230212.

212032424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181980100 + 30052324 = 13490^2 + 5482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212032396 and 212032405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39269 + ... + 44340.

Almost surely, 2^212032424 is an apocalyptic number.

It is an amenable number.

212032424 is a deficient number, since it is larger than the sum of its proper divisors (186787276).

212032424 is a wasteful number, since it uses less digits than its factorization.

212032424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83932 (or 83928 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 212032424 is about 14561.3331807222. Note that the first 3 decimals coincide. The cubic root of 212032424 is about 596.3035929073.

Adding to 212032424 its reverse (424230212), we get a palindrome (636262636).

The spelling of 212032424 in words is "two hundred twelve million, thirty-two thousand, four hundred twenty-four".