12107017777 has 2 divisors, whose sum is σ = 12107017778. Its totient is φ = 12107017776.

The previous prime is 12107017757. The next prime is 12107017787. The reversal of 12107017777 is 77771070121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12001421601 + 105596176 = 109551^2 + 10276^2 .

It is a cyclic number.

It is not a de Polignac number, because 12107017777 - 2⁷ = 12107017649 is a prime.

It is not a weakly prime, because it can be changed into another prime (12107017757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053508888 + 6053508889.

It is an arithmetic number, because the mean of its divisors is an integer number (6053508889).

Almost surely, 2^12107017777 is an apocalyptic number.

It is an amenable number.

12107017777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12107017777 is an equidigital number, since it uses as much as digits as its factorization.

12107017777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33614, while the sum is 40.

Adding to 12107017777 its reverse (77771070121), we get a palindrome (89878087898).

The spelling of 12107017777 in words is "twelve billion, one hundred seven million, seventeen thousand, seven hundred seventy-seven".