12011201101220 has 48 divisors (see below), whose sum is σ = 25916793388416. Its totient is φ = 4673136864000.

The previous prime is 12011201101219. The next prime is 12011201101303. The reversal of 12011201101220 is 2210110211021.

It is a junction number, because it is equal to n+sod(n) for n = 12011201101195 and 12011201101204.

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, 21855176 + ... + 22398015.

It is an arithmetic number, because the mean of its divisors is an integer number (539933195592).

Almost surely, 2^{12011201101220} is an apocalyptic number.

12011201101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011201101220 is an abundant number, since it is smaller than the sum of its proper divisors (13905592287196).

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

12011201101220 is a wasteful number, since it uses less digits than its factorization.

12011201101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44253572 (or 44253570 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011201101220 its reverse (2210110211021), we get a palindrome (14221311312241).

The spelling of 12011201101220 in words is "twelve trillion, eleven billion, two hundred one million, one hundred one thousand, two hundred twenty".