1012143142177 has 2 divisors, whose sum is σ = 1012143142178. Its totient is φ = 1012143142176.

The previous prime is 1012143142117. The next prime is 1012143142193. The reversal of 1012143142177 is 7712413412101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791309877136 + 220833265041 = 889556^2 + 469929^2 .

It is an emirp because it is prime and its reverse (7712413412101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012143142177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012143142117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506071571088 + 506071571089.

It is an arithmetic number, because the mean of its divisors is an integer number (506071571089).

Almost surely, 2^{1012143142177} is an apocalyptic number.

It is an amenable number.

1012143142177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012143142177 is an equidigital number, since it uses as much as digits as its factorization.

1012143142177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 1012143142177 its reverse (7712413412101), we get a palindrome (8724556554278).

The spelling of 1012143142177 in words is "one trillion, twelve billion, one hundred forty-three million, one hundred forty-two thousand, one hundred seventy-seven".