112212140 has 12 divisors (see below), whose sum is σ = 235645536. Its totient is φ = 44884848.

The previous prime is 112212137. The next prime is 112212197. The reversal of 112212140 is 41212211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805284 + ... + 2805323.

It is an arithmetic number, because the mean of its divisors is an integer number (19637128).

Almost surely, 2^112212140 is an apocalyptic number.

112212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212140 is an abundant number, since it is smaller than the sum of its proper divisors (123433396).

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

112212140 is a wasteful number, since it uses less digits than its factorization.

112212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610616 (or 5610614 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 112212140 is about 10593.0231756567. The cubic root of 112212140 is about 482.3325987327.

Adding to 112212140 its reverse (41212211), we get a palindrome (153424351).

The spelling of 112212140 in words is "one hundred twelve million, two hundred twelve thousand, one hundred forty".