213233310012 has 12 divisors (see below), whose sum is σ = 497544390056. Its totient is φ = 71077770000.

The previous prime is 213233309983. The next prime is 213233310049. The reversal of 213233310012 is 210013332312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8884721239 + ... + 8884721262.

Almost surely, 2^213233310012 is an apocalyptic number.

It is an amenable number.

213233310012 is an abundant number, since it is smaller than the sum of its proper divisors (284311080044).

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

213233310012 is a wasteful number, since it uses less digits than its factorization.

213233310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17769442508 (or 17769442506 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213233310012 its reverse (210013332312), we get a palindrome (423246642324).

The spelling of 213233310012 in words is "two hundred thirteen billion, two hundred thirty-three million, three hundred ten thousand, twelve".