212323210332 has 12 divisors (see below), whose sum is σ = 495420824136. Its totient is φ = 70774403440.

The previous prime is 212323210331. The next prime is 212323210343. The reversal of 212323210332 is 233012323212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212323210332² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323210331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846800419 + ... + 8846800442.

It is an arithmetic number, because the mean of its divisors is an integer number (41285068678).

Almost surely, 2^212323210332 is an apocalyptic number.

It is an amenable number.

212323210332 is an abundant number, since it is smaller than the sum of its proper divisors (283097613804).

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

212323210332 is a wasteful number, since it uses less digits than its factorization.

212323210332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693600868 (or 17693600866 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212323210332 its reverse (233012323212), we get a palindrome (445335533544).

The spelling of 212323210332 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred ten thousand, three hundred thirty-two".