213244224132 has 24 divisors (see below), whose sum is σ = 514727438400. Its totient is φ = 68630324896.

The previous prime is 213244224019. The next prime is 213244224187. The reversal of 213244224132 is 231422442312.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213244224132.

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, 306385032 + ... + 306385727.

It is an arithmetic number, because the mean of its divisors is an integer number (21446976600).

Almost surely, 2^213244224132 is an apocalyptic number.

It is an amenable number.

213244224132 is an abundant number, since it is smaller than the sum of its proper divisors (301483214268).

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

213244224132 is a wasteful number, since it uses less digits than its factorization.

213244224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612770795 (or 612770793 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 213244224132 its reverse (231422442312), we get a palindrome (444666666444).

The spelling of 213244224132 in words is "two hundred thirteen billion, two hundred forty-four million, two hundred twenty-four thousand, one hundred thirty-two".