1242041310042 has 16 divisors (see below), whose sum is σ = 2675165898720. Its totient is φ = 382166556912.

The previous prime is 1242041310031. The next prime is 1242041310071. The reversal of 1242041310042 is 2400131402421.

It is a junction number, because it is equal to n+sod(n) for n = 1242041309994 and 1242041310021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961803192 + ... + 7961803347.

It is an arithmetic number, because the mean of its divisors is an integer number (167197868670).

Almost surely, 2^{1242041310042} is an apocalyptic number.

1242041310042 is an abundant number, since it is smaller than the sum of its proper divisors (1433124588678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242041310042 is a wasteful number, since it uses less digits than its factorization.

1242041310042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923606557.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1242041310042 its reverse (2400131402421), we get a palindrome (3642172712463).

The spelling of 1242041310042 in words is "one trillion, two hundred forty-two billion, forty-one million, three hundred ten thousand, forty-two".