213112013322 has 64 divisors (see below), whose sum is σ = 464504616576. Its totient is φ = 64792366080.

The previous prime is 213112013297. The next prime is 213112013329. The reversal of 213112013322 is 223310211312.

It is not an unprimeable number, because it can be changed into a prime (213112013329) 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, 2336038 + ... + 2425550.

It is an arithmetic number, because the mean of its divisors is an integer number (7257884634).

Almost surely, 2^213112013322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213112013322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232252308288).

213112013322 is an abundant number, since it is smaller than the sum of its proper divisors (251392603254).

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

213112013322 is a wasteful number, since it uses less digits than its factorization.

213112013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89895.

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

Adding to 213112013322 its reverse (223310211312), we get a palindrome (436422224634).

The spelling of 213112013322 in words is "two hundred thirteen billion, one hundred twelve million, thirteen thousand, three hundred twenty-two".