112143213 has 72 divisors (see below), whose sum is σ = 209803776. Its totient is φ = 57153600.

The previous prime is 112143197. The next prime is 112143217. The reversal of 112143213 is 312341211.

It is not a de Polignac number, because 112143213 - 2⁴ = 112143197 is a prime.

It is a super-2 number, since 2×112143213² = 25152200443926738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112143217) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 177408 + ... + 178038.

Almost surely, 2^112143213 is an apocalyptic number.

112143213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112143213 is a deficient number, since it is larger than the sum of its proper divisors (97660563).

112143213 is a wasteful number, since it uses less digits than its factorization.

112143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 685 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 112143213 is about 10589.7692609424. The cubic root of 112143213 is about 482.2338199122.

Adding to 112143213 its reverse (312341211), we get a palindrome (424484424).

The spelling of 112143213 in words is "one hundred twelve million, one hundred forty-three thousand, two hundred thirteen".