12111201211000 has 64 divisors (see below), whose sum is σ = 28349763156000. Its totient is φ = 4842847609600.

The previous prime is 12111201210947. The next prime is 12111201211061. The reversal of 12111201211000 is 11210211121.

It is a happy number.

12111201211000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 929391 + ... + 5008609.

Almost surely, 2^{12111201211000} is an apocalyptic number.

12111201211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111201211000 is an abundant number, since it is smaller than the sum of its proper divisors (16238561945000).

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

12111201211000 is a wasteful number, since it uses less digits than its factorization.

12111201211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082209 (or 4082195 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12111201211000 its reverse (11210211121), we get a palindrome (12122411422121).

The spelling of 12111201211000 in words is "twelve trillion, one hundred eleven billion, two hundred one million, two hundred eleven thousand".