1012042240343 has 4 divisors (see below), whose sum is σ = 1017340891008. Its totient is φ = 1006743589680.

The previous prime is 1012042240327. The next prime is 1012042240393. The reversal of 1012042240343 is 3430422402101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012042240343 - 2⁴ = 1012042240327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012042240393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649325046 + ... + 2649325427.

It is an arithmetic number, because the mean of its divisors is an integer number (254335222752).

Almost surely, 2^{1012042240343} is an apocalyptic number.

1012042240343 is a deficient number, since it is larger than the sum of its proper divisors (5298650665).

1012042240343 is an equidigital number, since it uses as much as digits as its factorization.

1012042240343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298650664.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1012042240343 its reverse (3430422402101), we get a palindrome (4442464642444).

The spelling of 1012042240343 in words is "one trillion, twelve billion, forty-two million, two hundred forty thousand, three hundred forty-three".