12210120322232 has 96 divisors (see below), whose sum is σ = 27855004720800. Its totient is φ = 4914310569984.

The previous prime is 12210120322177. The next prime is 12210120322241. The reversal of 12210120322232 is 23222302101221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210120322198 and 12210120322207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6570644 + ... + 8221532.

It is an arithmetic number, because the mean of its divisors is an integer number (290156299175).

Almost surely, 2^{12210120322232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210120322232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13927502360400).

12210120322232 is an abundant number, since it is smaller than the sum of its proper divisors (15644884398568).

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

12210120322232 is a wasteful number, since it uses less digits than its factorization.

12210120322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651393 (or 1651372 counting only the distinct ones).

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

Adding to 12210120322232 its reverse (23222302101221), we get a palindrome (35432422423453).

The spelling of 12210120322232 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, three hundred twenty-two thousand, two hundred thirty-two".