1231132103112 has 64 divisors (see below), whose sum is σ = 3214765532160. Its totient is φ = 392153960000.

The previous prime is 1231132103087. The next prime is 1231132103119. The reversal of 1231132103112 is 2113012311321.

It is not an unprimeable number, because it can be changed into a prime (1231132103119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 512514 + ... + 1650737.

It is an arithmetic number, because the mean of its divisors is an integer number (50230711440).

Almost surely, 2^{1231132103112} is an apocalyptic number.

1231132103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231132103112 is an abundant number, since it is smaller than the sum of its proper divisors (1983633429048).

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

1231132103112 is a wasteful number, since it uses less digits than its factorization.

1231132103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164314 (or 2164310 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1231132103112 its reverse (2113012311321), we get a palindrome (3344144414433).

The spelling of 1231132103112 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-two million, one hundred three thousand, one hundred twelve".