1242112010442 has 16 divisors (see below), whose sum is σ = 2484235686240. Its totient is φ = 414035392592.

The previous prime is 1242112010411. The next prime is 1242112010467. The reversal of 1242112010442 is 2440102112421.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1561984 + ... + 2219012.

It is an arithmetic number, because the mean of its divisors is an integer number (155264730390).

Almost surely, 2^{1242112010442} is an apocalyptic number.

1242112010442 is an abundant number, since it is smaller than the sum of its proper divisors (1242123675798).

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

1242112010442 is a wasteful number, since it uses less digits than its factorization.

1242112010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972117.

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

Adding to 1242112010442 its reverse (2440102112421), we get a palindrome (3682214122863).

The spelling of 1242112010442 in words is "one trillion, two hundred forty-two billion, one hundred twelve million, ten thousand, four hundred forty-two".