12011021212000 has 48 divisors (see below), whose sum is σ = 29511079127712. Its totient is φ = 4804408483200.

The previous prime is 12011021211979. The next prime is 12011021212019. The reversal of 12011021212000 is 21212011021.

It is a super-2 number, since 2×12011021212000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1501373652 + ... + 1501381651.

It is an arithmetic number, because the mean of its divisors is an integer number (614814148494).

Almost surely, 2^{12011021212000} is an apocalyptic number.

12011021212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011021212000 is an abundant number, since it is smaller than the sum of its proper divisors (17500057915712).

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

12011021212000 is an equidigital number, since it uses as much as digits as its factorization.

12011021212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002755328 (or 3002755310 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011021212000 its reverse (21212011021), we get a palindrome (12032233223021).

The spelling of 12011021212000 in words is "twelve trillion, eleven billion, twenty-one million, two hundred twelve thousand".