213214533512 has 32 divisors (see below), whose sum is σ = 400270642200. Its totient is φ = 106475787264.

The previous prime is 213214533509. The next prime is 213214533547. The reversal of 213214533512 is 215335412312.

It can be written as a sum of positive squares in 4 ways, for example, as 210943629796 + 2270903716 = 459286^2 + 47654^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28091414 + ... + 28099002.

Almost surely, 2^213214533512 is an apocalyptic number.

It is an amenable number.

213214533512 is a deficient number, since it is larger than the sum of its proper divisors (187056108688).

213214533512 is a wasteful number, since it uses less digits than its factorization.

213214533512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465 (or 11461 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 213214533512 its reverse (215335412312), we get a palindrome (428549945824).

The spelling of 213214533512 in words is "two hundred thirteen billion, two hundred fourteen million, five hundred thirty-three thousand, five hundred twelve".