12011021001321 has 8 divisors (see below), whose sum is σ = 16015063818720. Its totient is φ = 8007162759072.

The previous prime is 12011021001293. The next prime is 12011021001337. The reversal of 12011021001321 is 12310012011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011021001321 - 2⁶ = 12011021001257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011021001321.

It is not an unprimeable number, because it can be changed into a prime (12011021001521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45991876 + ... + 46252293.

It is an arithmetic number, because the mean of its divisors is an integer number (2001882977340).

Almost surely, 2^{12011021001321} is an apocalyptic number.

It is an amenable number.

12011021001321 is a deficient number, since it is larger than the sum of its proper divisors (4004042817399).

12011021001321 is an equidigital number, since it uses as much as digits as its factorization.

12011021001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92287575.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12011021001321 its reverse (12310012011021), we get a palindrome (24321033012342).

The spelling of 12011021001321 in words is "twelve trillion, eleven billion, twenty-one million, one thousand, three hundred twenty-one".