12002100100321 has 4 divisors (see below), whose sum is σ = 12002192903700. Its totient is φ = 12002007296944.

The previous prime is 12002100100313. The next prime is 12002100100327. The reversal of 12002100100321 is 12300100120021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10799373337600 + 1202726762721 = 3286240^2 + 1096689^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002100100321 - 2³ = 12002100100313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002100100327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46207426 + ... + 46466443.

It is an arithmetic number, because the mean of its divisors is an integer number (3000548225925).

Almost surely, 2^{12002100100321} is an apocalyptic number.

It is an amenable number.

12002100100321 is a deficient number, since it is larger than the sum of its proper divisors (92803379).

12002100100321 is an equidigital number, since it uses as much as digits as its factorization.

12002100100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92803378.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12002100100321 its reverse (12300100120021), we get a palindrome (24302200220342).

The spelling of 12002100100321 in words is "twelve trillion, two billion, one hundred million, one hundred thousand, three hundred twenty-one".