12003100012021 has 8 divisors (see below), whose sum is σ = 12454595836760. Its totient is φ = 11558293014528.

The previous prime is 12003100012009. The next prime is 12003100012061. The reversal of 12003100012021 is 12021000130021.

It can be written as a sum of positive squares in 4 ways, for example, as 2621682343921 + 9381417668100 = 1619161^2 + 3062910^2 .

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 12003100012021 - 2³¹ = 12000952528373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003100011992 and 12003100012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003100012061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672203156 + ... + 1672210333.

It is an arithmetic number, because the mean of its divisors is an integer number (1556824479595).

Almost surely, 2^{12003100012021} is an apocalyptic number.

It is an amenable number.

12003100012021 is a deficient number, since it is larger than the sum of its proper divisors (451495824739).

12003100012021 is an equidigital number, since it uses as much as digits as its factorization.

12003100012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344413623.

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

Adding to 12003100012021 its reverse (12021000130021), we get a palindrome (24024100142042).

The spelling of 12003100012021 in words is "twelve trillion, three billion, one hundred million, twelve thousand, twenty-one".