212012322232 has 16 divisors (see below), whose sum is σ = 397812653640. Its totient is φ = 105928947936.

The previous prime is 212012322211. The next prime is 212012322271. The reversal of 212012322232 is 232223210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9639978 + ... + 9661945.

Almost surely, 2^212012322232 is an apocalyptic number.

It is an amenable number.

212012322232 is a deficient number, since it is larger than the sum of its proper divisors (185800331408).

212012322232 is a wasteful number, since it uses less digits than its factorization.

212012322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19303302 (or 19303298 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212012322232 its reverse (232223210212), we get a palindrome (444235532444).

The spelling of 212012322232 in words is "two hundred twelve billion, twelve million, three hundred twenty-two thousand, two hundred thirty-two".