12220211020120 has 256 divisors, whose sum is σ = 30406417372800. Its totient is φ = 4400918691840.

The previous prime is 12220211020117. The next prime is 12220211020207. The reversal of 12220211020120 is 2102011202221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220211020094 and 12220211020103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 653023884 + ... + 653042596.

Almost surely, 2^{12220211020120} is an apocalyptic number.

12220211020120 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 12220211020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15203208686400).

12220211020120 is an abundant number, since it is smaller than the sum of its proper divisors (18186206352680).

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

12220211020120 is a wasteful number, since it uses less digits than its factorization.

12220211020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19238 (or 19234 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220211020120 its reverse (2102011202221), we get a palindrome (14322222222341).

The spelling of 12220211020120 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, twenty thousand, one hundred twenty".