12002144120021 has 8 divisors (see below), whose sum is σ = 13096416157344. Its totient is φ = 10908400087120.

The previous prime is 12002144119993. The next prime is 12002144120041.

12002144120021 is nontrivially palindromic in base 10.

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 12002144120021 - 2²² = 12002139925717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12002144119975 and 12002144120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002144120041) 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, 131953571 + ... + 132044496.

It is an arithmetic number, because the mean of its divisors is an integer number (1637052019668).

Almost surely, 2^{12002144120021} is an apocalyptic number.

12002144120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002144120021 is a deficient number, since it is larger than the sum of its proper divisors (1094272037323).

12002144120021 is a wasteful number, since it uses less digits than its factorization.

12002144120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264002211.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 1200214 and 4120021, that added together give a palindrome (5320235).

The spelling of 12002144120021 in words is "twelve trillion, two billion, one hundred forty-four million, one hundred twenty thousand, twenty-one".