12011321104000 has 128 divisors (see below), whose sum is σ = 30153084698880. Its totient is φ = 4757881881600.

The previous prime is 12011321103953. The next prime is 12011321104129. The reversal of 12011321104000 is 40112311021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×12011321104000³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 15 ways as a sum of consecutive naturals, for example, 1996212 + ... + 5292211.

It is an arithmetic number, because the mean of its divisors is an integer number (235570974210).

Almost surely, 2^{12011321104000} is an apocalyptic number.

12011321104000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011321104000 is an abundant number, since it is smaller than the sum of its proper divisors (18141763594880).

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

12011321104000 is an equidigital number, since it uses as much as digits as its factorization.

12011321104000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288555 (or 7288533 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011321104000 its reverse (40112311021), we get a palindrome (12051433415021).

The spelling of 12011321104000 in words is "twelve trillion, eleven billion, three hundred twenty-one million, one hundred four thousand".