1012110020393 has 2 divisors, whose sum is σ = 1012110020394. Its totient is φ = 1012110020392.

The previous prime is 1012110020381. The next prime is 1012110020407. The reversal of 1012110020393 is 3930200112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631559215849 + 380550804544 = 794707^2 + 616888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012110020393 - 2⁶ = 1012110020329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012110020693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506055010196 + 506055010197.

It is an arithmetic number, because the mean of its divisors is an integer number (506055010197).

Almost surely, 2^{1012110020393} is an apocalyptic number.

It is an amenable number.

1012110020393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012110020393 is an equidigital number, since it uses as much as digits as its factorization.

1012110020393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 1012110020393 its reverse (3930200112101), we get a palindrome (4942310132494).

The spelling of 1012110020393 in words is "one trillion, twelve billion, one hundred ten million, twenty thousand, three hundred ninety-three".