12142282 has 8 divisors (see below), whose sum is σ = 18230400. Its totient is φ = 6065484.

The previous prime is 12142261. The next prime is 12142283. The reversal of 12142282 is 28224121.

12142282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12142283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769 + ... + 4987.

It is an arithmetic number, because the mean of its divisors is an integer number (2278800).

Almost surely, 2^12142282 is an apocalyptic number.

12142282 is a deficient number, since it is larger than the sum of its proper divisors (6088118).

12142282 is a wasteful number, since it uses less digits than its factorization.

12142282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660.

The product of its digits is 512, while the sum is 22.

The square root of 12142282 is about 3484.5777362544. The cubic root of 12142282 is about 229.8441414138.

The spelling of 12142282 in words is "twelve million, one hundred forty-two thousand, two hundred eighty-two".