12111102001200 has 60 divisors (see below), whose sum is σ = 38795896747688. Its totient is φ = 3229627200000.

The previous prime is 12111102001151. The next prime is 12111102001301. The reversal of 12111102001200 is 210020111121.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 5046291301 + ... + 5046293700.

Almost surely, 2^{12111102001200} is an apocalyptic number.

12111102001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111102001200 is an abundant number, since it is smaller than the sum of its proper divisors (26684794746488).

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

12111102001200 is a wasteful number, since it uses less digits than its factorization.

12111102001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092585022 (or 10092585011 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12111102001200 its reverse (210020111121), we get a palindrome (12321122112321).

The spelling of 12111102001200 in words is "twelve trillion, one hundred eleven billion, one hundred two million, one thousand, two hundred".