1131302321012 has 12 divisors (see below), whose sum is σ = 1982138756640. Its totient is φ = 564976961976.

The previous prime is 1131302321011. The next prime is 1131302321047. The reversal of 1131302321012 is 2101232031311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131302321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168545858 + ... + 168552569.

It is an arithmetic number, because the mean of its divisors is an integer number (165178229720).

Almost surely, 2^{1131302321012} is an apocalyptic number.

It is an amenable number.

1131302321012 is a deficient number, since it is larger than the sum of its proper divisors (850836435628).

1131302321012 is a wasteful number, since it uses less digits than its factorization.

1131302321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337099270 (or 337099268 counting only the distinct ones).

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

Adding to 1131302321012 its reverse (2101232031311), we get a palindrome (3232534352323).

The spelling of 1131302321012 in words is "one trillion, one hundred thirty-one billion, three hundred two million, three hundred twenty-one thousand, twelve".