212023321232 has 40 divisors (see below), whose sum is σ = 425144243640. Its totient is φ = 102311838720.

The previous prime is 212023321217. The next prime is 212023321247. The reversal of 212023321232 is 232123320212.

It is an interprime number because it is at equal distance from previous prime (212023321217) and next prime (212023321247).

It can be written as a sum of positive squares in 4 ways, for example, as 10659323536 + 201363997696 = 103244^2 + 448736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212023321198 and 212023321207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988628 + ... + 1183820.

It is an arithmetic number, because the mean of its divisors is an integer number (10628606091).

Almost surely, 2^212023321232 is an apocalyptic number.

It is an amenable number.

212023321232 is an abundant number, since it is smaller than the sum of its proper divisors (213120922408).

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

212023321232 is a wasteful number, since it uses less digits than its factorization.

212023321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197571 (or 197565 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212023321232 its reverse (232123320212), we get a palindrome (444146641444).

The spelling of 212023321232 in words is "two hundred twelve billion, twenty-three million, three hundred twenty-one thousand, two hundred thirty-two".