213032012 has 12 divisors (see below), whose sum is σ = 380738400. Its totient is φ = 104249616.

The previous prime is 213031991. The next prime is 213032089. The reversal of 213032012 is 210230312.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 566387 + ... + 566762.

It is an arithmetic number, because the mean of its divisors is an integer number (31728200).

Almost surely, 2^213032012 is an apocalyptic number.

It is an amenable number.

213032012 is a deficient number, since it is larger than the sum of its proper divisors (167706388).

213032012 is a wasteful number, since it uses less digits than its factorization.

213032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133200 (or 1133198 counting only the distinct ones).

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

The square root of 213032012 is about 14595.6161911719. The cubic root of 213032012 is about 597.2391788922.

Adding to 213032012 its reverse (210230312), we get a palindrome (423262324).

The spelling of 213032012 in words is "two hundred thirteen million, thirty-two thousand, twelve".