12211210221120 has 504 divisors, whose sum is σ = 42958581494400. Its totient is φ = 3183259502592.

The previous prime is 12211210221073. The next prime is 12211210221157. The reversal of 12211210221120 is 2112201211221.

12211210221120 is a `hidden beast` number, since 1 + 2 + 211 + 210 + 221 + 1 + 20 = 666.

It is a super-2 number, since 2×12211210221120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211210221093 and 12211210221102.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2413757151 + ... + 2413762209.

Almost surely, 2^{12211210221120} is an apocalyptic number.

12211210221120 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 12211210221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21479290747200).

12211210221120 is an abundant number, since it is smaller than the sum of its proper divisors (30747371273280).

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

12211210221120 is a wasteful number, since it uses less digits than its factorization.

12211210221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211210221120 its reverse (2112201211221), we get a palindrome (14323411432341).

The spelling of 12211210221120 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty".