111130320012 has 48 divisors (see below), whose sum is σ = 270700523520. Its totient is φ = 35416833408.

The previous prime is 111130319939. The next prime is 111130320013. The reversal of 111130320012 is 210023031111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111130319973 and 111130320000.

It is not an unprimeable number, because it can be changed into a prime (111130320013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528048 + ... + 707880.

It is an arithmetic number, because the mean of its divisors is an integer number (5639594240).

Almost surely, 2^111130320012 is an apocalyptic number.

111130320012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111130320012 is an abundant number, since it is smaller than the sum of its proper divisors (159570203508).

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

111130320012 is a wasteful number, since it uses less digits than its factorization.

111130320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182102 (or 182100 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111130320012 its reverse (210023031111), we get a palindrome (321153351123).

The spelling of 111130320012 in words is "one hundred eleven billion, one hundred thirty million, three hundred twenty thousand, twelve".