12311120032200 has 672 divisors, whose sum is σ = 46896213405600. Its totient is φ = 2979452160000.

The previous prime is 12311120032163. The next prime is 12311120032201. The reversal of 12311120032200 is 223002111321.

12311120032200 is a `hidden beast` number, since 1 + 2 + 311 + 120 + 0 + 32 + 200 = 666.

It is a super-2 number, since 2×12311120032200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12311120032201) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 992746000 + ... + 992758400.

Almost surely, 2^{12311120032200} is an apocalyptic number.

12311120032200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311120032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23448106702800).

12311120032200 is an abundant number, since it is smaller than the sum of its proper divisors (34585093373400).

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

12311120032200 is a wasteful number, since it uses less digits than its factorization.

12311120032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065 (or 13041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12311120032200 its reverse (223002111321), we get a palindrome (12534122143521).

The spelling of 12311120032200 in words is "twelve trillion, three hundred eleven billion, one hundred twenty million, thirty-two thousand, two hundred".