1012010112257 has 2 divisors, whose sum is σ = 1012010112258. Its totient is φ = 1012010112256.

The previous prime is 1012010112163. The next prime is 1012010112271. The reversal of 1012010112257 is 7522110102101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909888962161 + 102121150096 = 953881^2 + 319564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012010112257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012010118257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005056128 + 506005056129.

It is an arithmetic number, because the mean of its divisors is an integer number (506005056129).

Almost surely, 2^{1012010112257} is an apocalyptic number.

It is an amenable number.

1012010112257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012010112257 is an equidigital number, since it uses as much as digits as its factorization.

1012010112257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 1012010112257 its reverse (7522110102101), we get a palindrome (8534120214358).

The spelling of 1012010112257 in words is "one trillion, twelve billion, ten million, one hundred twelve thousand, two hundred fifty-seven".