12020322301 has 4 divisors (see below), whose sum is σ = 12944962492. Its totient is φ = 11095682112.

The previous prime is 12020322299. The next prime is 12020322329. The reversal of 12020322301 is 10322302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10322302021 = 29 ⋅355941449.

It can be written as a sum of positive squares in 2 ways, for example, as 3561105625 + 8459216676 = 59675^2 + 91974^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020322301 - 2¹ = 12020322299 is a prime.

It is a super-5 number, since 5×12020322301⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020322331) 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 3 ways as a sum of consecutive naturals, for example, 462320076 + ... + 462320101.

It is an arithmetic number, because the mean of its divisors is an integer number (3236240623).

Almost surely, 2^12020322301 is an apocalyptic number.

It is an amenable number.

12020322301 is a deficient number, since it is larger than the sum of its proper divisors (924640191).

12020322301 is an equidigital number, since it uses as much as digits as its factorization.

12020322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924640190.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020322301 its reverse (10322302021), we get a palindrome (22342624322).

The spelling of 12020322301 in words is "twelve billion, twenty million, three hundred twenty-two thousand, three hundred one".