1131230320112 has 40 divisors (see below), whose sum is σ = 2234504991456. Its totient is φ = 554597179136.

The previous prime is 1131230320093. The next prime is 1131230320193. The reversal of 1131230320112 is 2110230321311.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 947678 + ... + 1777794.

Almost surely, 2^{1131230320112} is an apocalyptic number.

It is an amenable number.

1131230320112 is a deficient number, since it is larger than the sum of its proper divisors (1103274671344).

1131230320112 is a wasteful number, since it uses less digits than its factorization.

1131230320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831785 (or 831779 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131230320112 its reverse (2110230321311), we get a palindrome (3241460641423).

The spelling of 1131230320112 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twenty thousand, one hundred twelve".