12001110221200 has 60 divisors (see below), whose sum is σ = 28836229863168. Its totient is φ = 4799850947200.

The previous prime is 12001110221179. The next prime is 12001110221239. The reversal of 12001110221200 is 212201110021.

It is a super-2 number, since 2×12001110221200² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394889 + ... + 5093911.

Almost surely, 2^{12001110221200} is an apocalyptic number.

12001110221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001110221200 is an abundant number, since it is smaller than the sum of its proper divisors (16835119641968).

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

12001110221200 is a wasteful number, since it uses less digits than its factorization.

12001110221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707152 (or 3707141 counting only the distinct ones).

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

Adding to 12001110221200 its reverse (212201110021), we get a palindrome (12213311331221).

It can be divided in two parts, 1200 and 1110221200, that added together give a square (1110222400 = 33320²).

The spelling of 12001110221200 in words is "twelve trillion, one billion, one hundred ten million, two hundred twenty-one thousand, two hundred".