12111201001200 has 240 divisors, whose sum is σ = 44777528626176. Its totient is φ = 2740865664000.

The previous prime is 12111201001157. The next prime is 12111201001243. The reversal of 12111201001200 is 210010211121.

It is an interprime number because it is at equal distance from previous prime (12111201001157) and next prime (12111201001243).

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6289272 + ... + 7986071.

Almost surely, 2^{12111201001200} is an apocalyptic number.

12111201001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111201001200 is an abundant number, since it is smaller than the sum of its proper divisors (32666327624976).

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

12111201001200 is a wasteful number, since it uses less digits than its factorization.

12111201001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14275472 (or 14275461 counting only the distinct ones).

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

Adding to 12111201001200 its reverse (210010211121), we get a palindrome (12321211212321).

The spelling of 12111201001200 in words is "twelve trillion, one hundred eleven billion, two hundred one million, one thousand, two hundred".