211223032232 has 8 divisors (see below), whose sum is σ = 396043185450. Its totient is φ = 105611516112.

The previous prime is 211223032213. The next prime is 211223032247. The reversal of 211223032232 is 232230322112.

It can be written as a sum of positive squares in only one way, i.e., 171815224036 + 39407808196 = 414506^2 + 198514^2 .

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 = 211223032198 and 211223032207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201439507 + ... + 13201439522.

Almost surely, 2^211223032232 is an apocalyptic number.

It is an amenable number.

211223032232 is a deficient number, since it is larger than the sum of its proper divisors (184820153218).

211223032232 is a wasteful number, since it uses less digits than its factorization.

211223032232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26402879035 (or 26402879031 counting only the distinct ones).

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

Adding to 211223032232 its reverse (232230322112), we get a palindrome (443453354344).

The spelling of 211223032232 in words is "two hundred eleven billion, two hundred twenty-three million, thirty-two thousand, two hundred thirty-two".