12001120201120 has 48 divisors (see below), whose sum is σ = 28542932749800. Its totient is φ = 4768230298624.

The previous prime is 12001120201097. The next prime is 12001120201121. The reversal of 12001120201120 is 2110202110021.

It can be written as a sum of positive squares in 4 ways, for example, as 7331942555536 + 4669177645584 = 2707756^2 + 2160828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12001120201120.

It is not an unprimeable number, because it can be changed into a prime (12001120201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251677507 + ... + 251725186.

Almost surely, 2^{12001120201120} is an apocalyptic number.

12001120201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001120201120 is an abundant number, since it is smaller than the sum of its proper divisors (16541812548680).

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

12001120201120 is a wasteful number, since it uses less digits than its factorization.

12001120201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503402857 (or 503402849 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001120201120 its reverse (2110202110021), we get a palindrome (14111322311141).

The spelling of 12001120201120 in words is "twelve trillion, one billion, one hundred twenty million, two hundred one thousand, one hundred twenty".