111320400012 has 24 divisors (see below), whose sum is σ = 260085394800. Its totient is φ = 37058543616.

The previous prime is 111320400001. The next prime is 111320400067. The reversal of 111320400012 is 210004023111.

It is a junction number, because it is equal to n+sod(n) for n = 111320399964 and 111320400000.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6022437 + ... + 6040892.

It is an arithmetic number, because the mean of its divisors is an integer number (10836891450).

Almost surely, 2^111320400012 is an apocalyptic number.

111320400012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111320400012 is an abundant number, since it is smaller than the sum of its proper divisors (148764994788).

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

111320400012 is a wasteful number, since it uses less digits than its factorization.

111320400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064105 (or 12064103 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111320400012 its reverse (210004023111), we get a palindrome (321324423123).

The spelling of 111320400012 in words is "one hundred eleven billion, three hundred twenty million, four hundred thousand, twelve".