212103230232 has 64 divisors (see below), whose sum is σ = 544927806720. Its totient is φ = 68747488128.

The previous prime is 212103230221. The next prime is 212103230237. The reversal of 212103230232 is 232032301212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212103230199 and 212103230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103230237) 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 15 ways as a sum of consecutive naturals, for example, 1371373 + ... + 1518179.

It is an arithmetic number, because the mean of its divisors is an integer number (8514496980).

Almost surely, 2^212103230232 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 212103230232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272463903360).

212103230232 is an abundant number, since it is smaller than the sum of its proper divisors (332824576488).

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

212103230232 is a wasteful number, since it uses less digits than its factorization.

212103230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148480 (or 148476 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212103230232 its reverse (232032301212), we get a palindrome (444135531444).

The spelling of 212103230232 in words is "two hundred twelve billion, one hundred three million, two hundred thirty thousand, two hundred thirty-two".