111323130312012 has 48 divisors (see below), whose sum is σ = 266791946635872. Its totient is φ = 36102417292800.

The previous prime is 111323130312001. The next prime is 111323130312083. The reversal of 111323130312012 is 210213031323111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525489 + ... + 14999112.

It is an arithmetic number, because the mean of its divisors is an integer number (5558165554914).

Almost surely, 2^{111323130312012} is an apocalyptic number.

111323130312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111323130312012 is an abundant number, since it is smaller than the sum of its proper divisors (155468816323860).

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

111323130312012 is a wasteful number, since it uses less digits than its factorization.

111323130312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16539818 (or 16539816 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111323130312012 its reverse (210213031323111), we get a palindrome (321536161635123).

The spelling of 111323130312012 in words is "one hundred eleven trillion, three hundred twenty-three billion, one hundred thirty million, three hundred twelve thousand, twelve".