12134306777 has 2 divisors, whose sum is σ = 12134306778. Its totient is φ = 12134306776.

The previous prime is 12134306773. The next prime is 12134306791. The reversal of 12134306777 is 77760343121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11509856656 + 624450121 = 107284^2 + 24989^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134306777 - 2² = 12134306773 is a prime.

It is not a weakly prime, because it can be changed into another prime (12134306773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067153388 + 6067153389.

It is an arithmetic number, because the mean of its divisors is an integer number (6067153389).

Almost surely, 2^12134306777 is an apocalyptic number.

It is an amenable number.

12134306777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134306777 is an equidigital number, since it uses as much as digits as its factorization.

12134306777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

Adding to 12134306777 its reverse (77760343121), we get a palindrome (89894649898).

The spelling of 12134306777 in words is "twelve billion, one hundred thirty-four million, three hundred six thousand, seven hundred seventy-seven".