1242030024013 has 4 divisors (see below), whose sum is σ = 1242032441500. Its totient is φ = 1242027606528.

The previous prime is 1242030023987. The next prime is 1242030024023. The reversal of 1242030024013 is 3104200302421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1121063792809 + 120966231204 = 1058803^2 + 347802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242030024013 - 2⁹ = 1242030023501 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 (1242030024023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97638 + ... + 1579111.

It is an arithmetic number, because the mean of its divisors is an integer number (310508110375).

Almost surely, 2^{1242030024013} is an apocalyptic number.

It is an amenable number.

1242030024013 is a deficient number, since it is larger than the sum of its proper divisors (2417487).

1242030024013 is an equidigital number, since it uses as much as digits as its factorization.

1242030024013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417486.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1242030024013 its reverse (3104200302421), we get a palindrome (4346230326434).

The spelling of 1242030024013 in words is "one trillion, two hundred forty-two billion, thirty million, twenty-four thousand, thirteen".