111313303212 has 48 divisors (see below), whose sum is σ = 264760876800. Its totient is φ = 36386570688.

The previous prime is 111313303193. The next prime is 111313303223. The reversal of 111313303212 is 212303313111.

It is a happy number.

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, 1293273 + ... + 1376655.

It is an arithmetic number, because the mean of its divisors is an integer number (5515851600).

Almost surely, 2^111313303212 is an apocalyptic number.

111313303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111313303212 is an abundant number, since it is smaller than the sum of its proper divisors (153447573588).

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

111313303212 is a wasteful number, since it uses less digits than its factorization.

111313303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85542 (or 85540 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111313303212 its reverse (212303313111), we get a palindrome (323616616323).

The spelling of 111313303212 in words is "one hundred eleven billion, three hundred thirteen million, three hundred three thousand, two hundred twelve".