12320202131177 has 2 divisors, whose sum is σ = 12320202131178. Its totient is φ = 12320202131176.

The previous prime is 12320202131131. The next prime is 12320202131189. The reversal of 12320202131177 is 77113120202321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7177598242816 + 5142603888361 = 2679104^2 + 2267731^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320202131177 - 2²² = 12320197936873 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320202431177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160101065588 + 6160101065589.

It is an arithmetic number, because the mean of its divisors is an integer number (6160101065589).

Almost surely, 2^{12320202131177} is an apocalyptic number.

It is an amenable number.

12320202131177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320202131177 is an equidigital number, since it uses as much as digits as its factorization.

12320202131177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 12320202131177 its reverse (77113120202321), we get a palindrome (89433322333498).

The spelling of 12320202131177 in words is "twelve trillion, three hundred twenty billion, two hundred two million, one hundred thirty-one thousand, one hundred seventy-seven".