12001101101220 has 192 divisors, whose sum is σ = 41896447488000. Its totient is φ = 2493634429440.

The previous prime is 12001101101201. The next prime is 12001101101243. The reversal of 12001101101220 is 2210110110021.

12001101101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12001101101196 and 12001101101205.

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, 183838746 + ... + 183904014.

It is an arithmetic number, because the mean of its divisors is an integer number (218210664000).

Almost surely, 2^{12001101101220} is an apocalyptic number.

12001101101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001101101220 is an abundant number, since it is smaller than the sum of its proper divisors (29895346386780).

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

12001101101220 is a wasteful number, since it uses less digits than its factorization.

12001101101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105098 (or 105096 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12001101101220 its reverse (2210110110021), we get a palindrome (14211211211241).

The spelling of 12001101101220 in words is "twelve trillion, one billion, one hundred one million, one hundred one thousand, two hundred twenty".