213222203112 has 128 divisors (see below), whose sum is σ = 568451727360. Its totient is φ = 66416148480.

The previous prime is 213222203111. The next prime is 213222203113. The reversal of 213222203112 is 211302222312.

213222203112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213222203111) and next prime (213222203113).

It is not an unprimeable number, because it can be changed into a prime (213222203111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 34706713 + ... + 34712855.

It is an arithmetic number, because the mean of its divisors is an integer number (4441029120).

Almost surely, 2^213222203112 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 213222203112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284225863680).

213222203112 is an abundant number, since it is smaller than the sum of its proper divisors (355229524248).

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

213222203112 is a wasteful number, since it uses less digits than its factorization.

213222203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213222203112 its reverse (211302222312), we get a palindrome (424524425424).

The spelling of 213222203112 in words is "two hundred thirteen billion, two hundred twenty-two million, two hundred three thousand, one hundred twelve".