112212142 has 16 divisors (see below), whose sum is σ = 192528000. Its totient is φ = 48049848.

The previous prime is 112212137. The next prime is 112212197. The reversal of 112212142 is 241212211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18313 + ... + 23659.

It is an arithmetic number, because the mean of its divisors is an integer number (12033000).

Almost surely, 2^112212142 is an apocalyptic number.

112212142 is a deficient number, since it is larger than the sum of its proper divisors (80315858).

112212142 is a wasteful number, since it uses less digits than its factorization.

112212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855.

The product of its digits is 64, while the sum is 16.

The square root of 112212142 is about 10593.0232700585. The cubic root of 112212142 is about 482.3326015983.

Adding to 112212142 its reverse (241212211), we get a palindrome (353424353).

The spelling of 112212142 in words is "one hundred twelve million, two hundred twelve thousand, one hundred forty-two".