1012020011383 has 2 divisors, whose sum is σ = 1012020011384. Its totient is φ = 1012020011382.

The previous prime is 1012020011377. The next prime is 1012020011393. The reversal of 1012020011383 is 3831100202101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012020011383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012020011393) 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, 506010005691 + 506010005692.

It is an arithmetic number, because the mean of its divisors is an integer number (506010005692).

Almost surely, 2^{1012020011383} is an apocalyptic number.

1012020011383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012020011383 is an equidigital number, since it uses as much as digits as its factorization.

1012020011383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1012020011383 its reverse (3831100202101), we get a palindrome (4843120213484).

The spelling of 1012020011383 in words is "one trillion, twelve billion, twenty million, eleven thousand, three hundred eighty-three".