213333512 has 32 divisors (see below), whose sum is σ = 472910400. Its totient is φ = 88275264.

The previous prime is 213333511. The next prime is 213333563. The reversal of 213333512 is 215333312.

It is a super-2 number, since 2×213333512² = 91022374684508288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213333511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64058 + ... + 67305.

It is an arithmetic number, because the mean of its divisors is an integer number (14778450).

Almost surely, 2^213333512 is an apocalyptic number.

It is an amenable number.

213333512 is an abundant number, since it is smaller than the sum of its proper divisors (259576888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213333512 is a wasteful number, since it uses less digits than its factorization.

213333512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131405 (or 131401 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 213333512 is about 14605.9409830384. The cubic root of 213333512 is about 597.5207996821.

Adding to 213333512 its reverse (215333312), we get a palindrome (428666824).

The spelling of 213333512 in words is "two hundred thirteen million, three hundred thirty-three thousand, five hundred twelve".