12020311301 has 4 divisors (see below), whose sum is σ = 12020992332. Its totient is φ = 12019630272.

The previous prime is 12020311291. The next prime is 12020311307. The reversal of 12020311301 is 10311302021.

12020311301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10311302021 = 307 ⋅33587303.

It can be written as a sum of positive squares in 2 ways, for example, as 3915630625 + 8104680676 = 62575^2 + 90026^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020311301 - 2¹⁴ = 12020294917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020311307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313316 + ... + 349581.

It is an arithmetic number, because the mean of its divisors is an integer number (3005248083).

Almost surely, 2^12020311301 is an apocalyptic number.

It is an amenable number.

12020311301 is a deficient number, since it is larger than the sum of its proper divisors (681031).

12020311301 is an equidigital number, since it uses as much as digits as its factorization.

12020311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681030.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12020311301 its reverse (10311302021), we get a palindrome (22331613322).

The spelling of 12020311301 in words is "twelve billion, twenty million, three hundred eleven thousand, three hundred one".