1242122110242 has 32 divisors (see below), whose sum is σ = 2675465614080. Its totient is φ = 382173463680.

The previous prime is 1242122110241. The next prime is 1242122110249. The reversal of 1242122110242 is 2420112212421.

It is not an unprimeable number, because it can be changed into a prime (1242122110241) 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 15 ways as a sum of consecutive naturals, for example, 1347367 + ... + 2073557.

It is an arithmetic number, because the mean of its divisors is an integer number (83608300440).

Almost surely, 2^{1242122110242} is an apocalyptic number.

1242122110242 is an abundant number, since it is smaller than the sum of its proper divisors (1433343503838).

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

1242122110242 is a wasteful number, since it uses less digits than its factorization.

1242122110242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748138.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1242122110242 its reverse (2420112212421), we get a palindrome (3662234322663).

The spelling of 1242122110242 in words is "one trillion, two hundred forty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred forty-two".