12021011220001 has 8 divisors (see below), whose sum is σ = 13744893992384. Its totient is φ = 10298777311440.

The previous prime is 12021011219981. The next prime is 12021011220059. The reversal of 12021011220001 is 10002211012021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021011220001 - 2⁹ = 12021011219489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021011220061) 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, 412200330 + ... + 412229491.

It is an arithmetic number, because the mean of its divisors is an integer number (1718111749048).

Almost surely, 2^{12021011220001} is an apocalyptic number.

It is an amenable number.

12021011220001 is a deficient number, since it is larger than the sum of its proper divisors (1723882772383).

12021011220001 is an equidigital number, since it uses as much as digits as its factorization.

12021011220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824431911.

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

Adding to 12021011220001 its reverse (10002211012021), we get a palindrome (22023222232022).

The spelling of 12021011220001 in words is "twelve trillion, twenty-one billion, eleven million, two hundred twenty thousand, one".