12210131322120 has 128 divisors (see below), whose sum is σ = 36820120803840. Its totient is φ = 3239198146560.

The previous prime is 12210131322061. The next prime is 12210131322121. The reversal of 12210131322120 is 2122313101221.

It is not an unprimeable number, because it can be changed into a prime (12210131322121) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 28038769 + ... + 28470911.

It is an arithmetic number, because the mean of its divisors is an integer number (287657193780).

Almost surely, 2^{12210131322120} is an apocalyptic number.

12210131322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210131322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18410060401920).

12210131322120 is an abundant number, since it is smaller than the sum of its proper divisors (24609989481720).

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

12210131322120 is a wasteful number, since it uses less digits than its factorization.

12210131322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433375 (or 433371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12210131322120 its reverse (2122313101221), we get a palindrome (14332444423341).

The spelling of 12210131322120 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".