12020323177 has 2 divisors, whose sum is σ = 12020323178. Its totient is φ = 12020323176.

The previous prime is 12020323151. The next prime is 12020323321. The reversal of 12020323177 is 77132302021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11967484816 + 52838361 = 109396^2 + 7269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020323177 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020323577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010161588 + 6010161589.

It is an arithmetic number, because the mean of its divisors is an integer number (6010161589).

Almost surely, 2^12020323177 is an apocalyptic number.

It is an amenable number.

12020323177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020323177 is an equidigital number, since it uses as much as digits as its factorization.

12020323177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 12020323177 its reverse (77132302021), we get a palindrome (89152625198).

It can be divided in two parts, 120203 and 23177, that added together give a triangular number (143380 = T₅₃₅).

The spelling of 12020323177 in words is "twelve billion, twenty million, three hundred twenty-three thousand, one hundred seventy-seven".