1231442112242 has 16 divisors (see below), whose sum is σ = 1876235441472. Its totient is φ = 606058593840.

The previous prime is 1231442112239. The next prime is 1231442112259. The reversal of 1231442112242 is 2422112441321.

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, 6986468 + ... + 7160559.

It is an arithmetic number, because the mean of its divisors is an integer number (117264715092).

Almost surely, 2^{1231442112242} is an apocalyptic number.

1231442112242 is a deficient number, since it is larger than the sum of its proper divisors (644793329230).

1231442112242 is a wasteful number, since it uses less digits than its factorization.

1231442112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147713.

The product of its digits is 6144, while the sum is 29.

Adding to 1231442112242 its reverse (2422112441321), we get a palindrome (3653554553563).

The spelling of 1231442112242 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, one hundred twelve thousand, two hundred forty-two".