212322312232 has 8 divisors (see below), whose sum is σ = 398104335450. Its totient is φ = 106161156112.

The previous prime is 212322312193. The next prime is 212322312253. The reversal of 212322312232 is 232213223212.

It can be written as a sum of positive squares in only one way, i.e., 206910355876 + 5411956356 = 454874^2 + 73566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 212322312197 and 212322312206.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13270144507 + ... + 13270144522.

Almost surely, 2^212322312232 is an apocalyptic number.

It is an amenable number.

212322312232 is a deficient number, since it is larger than the sum of its proper divisors (185782023218).

212322312232 is a wasteful number, since it uses less digits than its factorization.

212322312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26540289035 (or 26540289031 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

Adding to 212322312232 its reverse (232213223212), we get a palindrome (444535535444).

The spelling of 212322312232 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred twelve thousand, two hundred thirty-two".