111412312 has 32 divisors (see below), whose sum is σ = 233196480. Its totient is φ = 49462560.

The previous prime is 111412309. The next prime is 111412313. The reversal of 111412312 is 213214111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111412313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10938 + ... + 18505.

It is an arithmetic number, because the mean of its divisors is an integer number (7287390).

Almost surely, 2^111412312 is an apocalyptic number.

It is an amenable number.

111412312 is an abundant number, since it is smaller than the sum of its proper divisors (121784168).

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

111412312 is a wasteful number, since it uses less digits than its factorization.

111412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29503 (or 29499 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 111412312 is about 10555.2030771558. The cubic root of 111412312 is about 481.1838716806.

Adding to 111412312 its reverse (213214111), we get a palindrome (324626423).

The spelling of 111412312 in words is "one hundred eleven million, four hundred twelve thousand, three hundred twelve".