12311101200 has 60 divisors (see below), whose sum is σ = 39436564688. Its totient is φ = 3282960000.

The previous prime is 12311101183. The next prime is 12311101211. The reversal of 12311101200 is 210111321.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5128426 + ... + 5130825.

Almost surely, 2^12311101200 is an apocalyptic number.

12311101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311101200 is an abundant number, since it is smaller than the sum of its proper divisors (27125463488).

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

12311101200 is a wasteful number, since it uses less digits than its factorization.

12311101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259272 (or 10259261 counting only the distinct ones).

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

Adding to 12311101200 its reverse (210111321), we get a palindrome (12521212521).

The spelling of 12311101200 in words is "twelve billion, three hundred eleven million, one hundred one thousand, two hundred".