112123212 has 24 divisors (see below), whose sum is σ = 262622976. Its totient is φ = 37231248.

The previous prime is 112123201. The next prime is 112123213. The reversal of 112123212 is 212321211.

It is a super-2 number, since 2×112123212² = 25143229338393888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112123191 and 112123200.

It is not an unprimeable number, because it can be changed into a prime (112123213) 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, 14608 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (10942624).

Almost surely, 2^112123212 is an apocalyptic number.

112123212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112123212 is an abundant number, since it is smaller than the sum of its proper divisors (150499764).

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

112123212 is a wasteful number, since it uses less digits than its factorization.

112123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35797 (or 35795 counting only the distinct ones).

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

The square root of 112123212 is about 10588.8248639781. The cubic root of 112123212 is about 482.2051490373.

Adding to 112123212 its reverse (212321211), we get a palindrome (324444423).

It can be divided in two parts, 11 and 2123212, that multiplied together give a palindrome (23355332).

The spelling of 112123212 in words is "one hundred twelve million, one hundred twenty-three thousand, two hundred twelve".