12101020011200 has 42 divisors (see below), whose sum is σ = 29776072368996. Its totient is φ = 4840408003840.

The previous prime is 12101020011187. The next prime is 12101020011233. The reversal of 12101020011200 is 211002010121.

It is a super-2 number, since 2×12101020011200² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3781567154 + ... + 3781570353.

Almost surely, 2^{12101020011200} is an apocalyptic number.

12101020011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101020011200 is an abundant number, since it is smaller than the sum of its proper divisors (17675052357796).

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

12101020011200 is an equidigital number, since it uses as much as digits as its factorization.

12101020011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563137529 (or 7563137514 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101020011200 its reverse (211002010121), we get a palindrome (12312022021321).

The spelling of 12101020011200 in words is "twelve trillion, one hundred one billion, twenty million, eleven thousand, two hundred".