213202313112 has 128 divisors (see below), whose sum is σ = 572744390400. Its totient is φ = 65898590208.

The previous prime is 213202313059. The next prime is 213202313119. The reversal of 213202313112 is 211313202312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202313119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10265923 + ... + 10286669.

It is an arithmetic number, because the mean of its divisors is an integer number (4474565550).

Almost surely, 2^213202313112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213202313112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286372195200).

213202313112 is an abundant number, since it is smaller than the sum of its proper divisors (359542077288).

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

213202313112 is a wasteful number, since it uses less digits than its factorization.

213202313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145 (or 21141 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213202313112 its reverse (211313202312), we get a palindrome (424515515424).

The spelling of 213202313112 in words is "two hundred thirteen billion, two hundred two million, three hundred thirteen thousand, one hundred twelve".