213012032 has 28 divisors (see below), whose sum is σ = 423306240. Its totient is φ = 106352256.

The previous prime is 213012011. The next prime is 213012043. The reversal of 213012032 is 230210312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213011998 and 213012016.

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 3 ways as a sum of consecutive naturals, for example, 51713 + ... + 55679.

It is an arithmetic number, because the mean of its divisors is an integer number (15118080).

Almost surely, 2^213012032 is an apocalyptic number.

It is an amenable number.

213012032 is a deficient number, since it is larger than the sum of its proper divisors (210294208).

213012032 is an equidigital number, since it uses as much as digits as its factorization.

213012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4808 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213012032 is about 14594.9317230332. The cubic root of 213012032 is about 597.2205068755.

Adding to 213012032 its reverse (230210312), we get a palindrome (443222344).

The spelling of 213012032 in words is "two hundred thirteen million, twelve thousand, thirty-two".