12020323313 has 8 divisors (see below), whose sum is σ = 12078098088. Its totient is φ = 11962652544.

The previous prime is 12020323177. The next prime is 12020323321. The reversal of 12020323313 is 31332302021.

It can be written as a sum of positive squares in 4 ways, for example, as 2024929 + 12018298384 = 1423^2 + 109628^2 .

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 12020323313 - 2¹⁴ = 12020306929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020323363) 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, 210845 + ... + 261717.

It is an arithmetic number, because the mean of its divisors is an integer number (1509762261).

Almost surely, 2^12020323313 is an apocalyptic number.

It is an amenable number.

12020323313 is a deficient number, since it is larger than the sum of its proper divisors (57774775).

12020323313 is an equidigital number, since it uses as much as digits as its factorization.

12020323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52003.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12020323313 its reverse (31332302021), we get a palindrome (43352625334).

The spelling of 12020323313 in words is "twelve billion, twenty million, three hundred twenty-three thousand, three hundred thirteen".