1142231320244 has 12 divisors (see below), whose sum is σ = 2284462640544. Its totient is φ = 489527708664.

The previous prime is 1142231320229. The next prime is 1142231320273. The reversal of 1142231320244 is 4420231322411.

1142231320244 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20396987834 + ... + 20396987889.

It is an arithmetic number, because the mean of its divisors is an integer number (190371886712).

Almost surely, 2^{1142231320244} is an apocalyptic number.

1142231320244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142231320244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1142231320244 is a wasteful number, since it uses less digits than its factorization.

1142231320244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793975734 (or 40793975732 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1142231320244 its reverse (4420231322411), we get a palindrome (5562462642655).

The spelling of 1142231320244 in words is "one trillion, one hundred forty-two billion, two hundred thirty-one million, three hundred twenty thousand, two hundred forty-four".