12021020201120 has 144 divisors (see below), whose sum is σ = 34979653918440. Its totient is φ = 3879051853824.

The previous prime is 12021020201089. The next prime is 12021020201191. The reversal of 12021020201120 is 2110202012021.

It can be written as a sum of positive squares in 4 ways, for example, as 8660236637584 + 3360783563536 = 2942828^2 + 1833244^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12021020201095 and 12021020201104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44963585 + ... + 45230144.

Almost surely, 2^{12021020201120} is an apocalyptic number.

12021020201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021020201120 is an abundant number, since it is smaller than the sum of its proper divisors (22958633717320).

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

12021020201120 is a wasteful number, since it uses less digits than its factorization.

12021020201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90193775 (or 90193760 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021020201120 its reverse (2110202012021), we get a palindrome (14131222213141).

The spelling of 12021020201120 in words is "twelve trillion, twenty-one billion, twenty million, two hundred one thousand, one hundred twenty".