213111332012 has 24 divisors (see below), whose sum is σ = 373348600800. Its totient is φ = 106440364800.

The previous prime is 213111332003. The next prime is 213111332023. The reversal of 213111332012 is 210233111312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20683262 + ... + 20693562.

It is an arithmetic number, because the mean of its divisors is an integer number (15556191700).

Almost surely, 2^213111332012 is an apocalyptic number.

It is an amenable number.

213111332012 is a deficient number, since it is larger than the sum of its proper divisors (160237268788).

213111332012 is a wasteful number, since it uses less digits than its factorization.

213111332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401 (or 15399 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213111332012 its reverse (210233111312), we get a palindrome (423344443324).

The spelling of 213111332012 in words is "two hundred thirteen billion, one hundred eleven million, three hundred thirty-two thousand, twelve".