12210212120120 has 256 divisors, whose sum is σ = 31881920716800. Its totient is φ = 4122337536000.

The previous prime is 12210212120089. The next prime is 12210212120129. The reversal of 12210212120120 is 2102121201221.

12210212120120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210212120129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5424348995 + ... + 5424351245.

It is an arithmetic number, because the mean of its divisors is an integer number (124538752800).

Almost surely, 2^{12210212120120} is an apocalyptic number.

12210212120120 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 12210212120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15940960358400).

12210212120120 is an abundant number, since it is smaller than the sum of its proper divisors (19671708596680).

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

12210212120120 is a wasteful number, since it uses less digits than its factorization.

12210212120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12210212120120 its reverse (2102121201221), we get a palindrome (14312333321341).

The spelling of 12210212120120 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".