12012313177 has 2 divisors, whose sum is σ = 12012313178. Its totient is φ = 12012313176.

The previous prime is 12012313147. The next prime is 12012313249. The reversal of 12012313177 is 77131321021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10445657616 + 1566655561 = 102204^2 + 39581^2 .

It is an emirp because it is prime and its reverse (77131321021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012313177 - 2³¹ = 9864829529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012313147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006156588 + 6006156589.

It is an arithmetic number, because the mean of its divisors is an integer number (6006156589).

Almost surely, 2^12012313177 is an apocalyptic number.

It is an amenable number.

12012313177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012313177 is an equidigital number, since it uses as much as digits as its factorization.

12012313177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

Adding to 12012313177 its reverse (77131321021), we get a palindrome (89143634198).

The spelling of 12012313177 in words is "twelve billion, twelve million, three hundred thirteen thousand, one hundred seventy-seven".