12020323000001 has 4 divisors (see below), whose sum is σ = 12020337864132. Its totient is φ = 12020308135872.

The previous prime is 12020322999913. The next prime is 12020323000019. The reversal of 12020323000001 is 10000032302021.

It is a happy number.

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 9819298547776 + 2201024452225 = 3133576^2 + 1483585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020323000001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020323000001.

It is not an unprimeable number, because it can be changed into a prime (12020323005001) 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, 6144716 + ... + 7861181.

It is an arithmetic number, because the mean of its divisors is an integer number (3005084466033).

Almost surely, 2^{12020323000001} is an apocalyptic number.

It is an amenable number.

12020323000001 is a deficient number, since it is larger than the sum of its proper divisors (14864131).

12020323000001 is an equidigital number, since it uses as much as digits as its factorization.

12020323000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14864130.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12020323000001 its reverse (10000032302021), we get a palindrome (22020355302022).

The spelling of 12020323000001 in words is "twelve trillion, twenty billion, three hundred twenty-three million, one", and thus it is an aban number.