12213210022232 has 8 divisors (see below), whose sum is σ = 22899768791700. Its totient is φ = 6106605011112.

The previous prime is 12213210022217. The next prime is 12213210022259. The reversal of 12213210022232 is 23222001231221.

It is a happy number.

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 = 12213210022198 and 12213210022207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763325626382 + ... + 763325626397.

Almost surely, 2^{12213210022232} is an apocalyptic number.

It is an amenable number.

12213210022232 is a deficient number, since it is larger than the sum of its proper divisors (10686558769468).

12213210022232 is a wasteful number, since it uses less digits than its factorization.

12213210022232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526651252785 (or 1526651252781 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12213210022232 its reverse (23222001231221), we get a palindrome (35435211253453).

The spelling of 12213210022232 in words is "twelve trillion, two hundred thirteen billion, two hundred ten million, twenty-two thousand, two hundred thirty-two".