142112112 has 40 divisors (see below), whose sum is σ = 388720656. Its totient is φ = 44583936.

The previous prime is 142112107. The next prime is 142112123. The reversal of 142112112 is 211211241.

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 = 142112091 and 142112100.

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, 86263 + ... + 87894.

Almost surely, 2^142112112 is an apocalyptic number.

142112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142112112 is an abundant number, since it is smaller than the sum of its proper divisors (246608544).

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

142112112 is a wasteful number, since it uses less digits than its factorization.

142112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174185 (or 174179 counting only the distinct ones).

The product of its digits is 32, while the sum is 15.

The square root of 142112112 is about 11921.0784747019. The cubic root of 142112112 is about 521.8476089560.

Adding to 142112112 its reverse (211211241), we get a palindrome (353323353).

The spelling of 142112112 in words is "one hundred forty-two million, one hundred twelve thousand, one hundred twelve".