232102221312 has 160 divisors (see below), whose sum is σ = 667633206240. Its totient is φ = 71230095360.

The previous prime is 232102221289. The next prime is 232102221313. The reversal of 232102221312 is 213122201232.

It is a super-2 number, since 2×232102221312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232102221313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7752612 + ... + 7782492.

It is an arithmetic number, because the mean of its divisors is an integer number (4172707539).

Almost surely, 2^232102221312 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 232102221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333816603120).

232102221312 is an abundant number, since it is smaller than the sum of its proper divisors (435530984928).

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

232102221312 is a wasteful number, since it uses less digits than its factorization.

232102221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30304 (or 30288 counting only the distinct ones).

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

Adding to 232102221312 its reverse (213122201232), we get a palindrome (445224422544).

The spelling of 232102221312 in words is "two hundred thirty-two billion, one hundred two million, two hundred twenty-one thousand, three hundred twelve".