12011231232000 has 5760 divisors, whose sum is σ = 62654949826560. Its totient is φ = 2229534720000.

The previous prime is 12011231231959. The next prime is 12011231232023. The reversal of 12011231232000 is 23213211021.

12011231232000 is a `hidden beast` number, since 1 + 20 + 1 + 12 + 312 + 320 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 387459071985 + ... + 387459072015.

It is an arithmetic number, because the mean of its divisors is an integer number (10877595456).

Almost surely, 2^{12011231232000} is an apocalyptic number.

12011231232000 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 12011231232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31327474913280).

12011231232000 is an abundant number, since it is smaller than the sum of its proper divisors (50643718594560).

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

12011231232000 is a wasteful number, since it uses less digits than its factorization.

12011231232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 72 counting only the distinct ones).

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

Adding to 12011231232000 its reverse (23213211021), we get a palindrome (12034444443021).

The spelling of 12011231232000 in words is "twelve trillion, eleven billion, two hundred thirty-one million, two hundred thirty-two thousand".