12134420377 has 2 divisors, whose sum is σ = 12134420378. Its totient is φ = 12134420376.

The previous prime is 12134420329. The next prime is 12134420443. The reversal of 12134420377 is 77302443121.

12134420377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11224131136 + 910289241 = 105944^2 + 30171^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134420377 - 2²³ = 12126031769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12134420677) 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 as a sum of consecutive naturals, namely, 6067210188 + 6067210189.

It is an arithmetic number, because the mean of its divisors is an integer number (6067210189).

Almost surely, 2^12134420377 is an apocalyptic number.

It is an amenable number.

12134420377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134420377 is an equidigital number, since it uses as much as digits as its factorization.

12134420377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 12134420377 its reverse (77302443121), we get a palindrome (89436863498).

The spelling of 12134420377 in words is "twelve billion, one hundred thirty-four million, four hundred twenty thousand, three hundred seventy-seven".