12211201120120 has 64 divisors (see below), whose sum is σ = 27937598531040. Its totient is φ = 4802345433600.

The previous prime is 12211201120091. The next prime is 12211201120133. The reversal of 12211201120120 is 2102110211221.

It is a super-2 number, since 2×12211201120120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211201120094 and 12211201120103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4619955 + ... + 6765085.

Almost surely, 2^{12211201120120} is an apocalyptic number.

12211201120120 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 12211201120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13968799265520).

12211201120120 is an abundant number, since it is smaller than the sum of its proper divisors (15726397410920).

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

12211201120120 is a wasteful number, since it uses less digits than its factorization.

12211201120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147536 (or 2147532 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211201120120 its reverse (2102110211221), we get a palindrome (14313311331341).

The spelling of 12211201120120 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred twenty thousand, one hundred twenty".