12142230 has 32 divisors (see below), whose sum is σ = 29286144. Its totient is φ = 3221856.

The previous prime is 12142219. The next prime is 12142231. The reversal of 12142230 is 3224121.

12142230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (915192).

Almost surely, 2^12142230 is an apocalyptic number.

12142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142230 is an abundant number, since it is smaller than the sum of its proper divisors (17143914).

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

12142230 is a wasteful number, since it uses less digits than its factorization.

12142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12142230 is about 3484.5702747972. The cubic root of 12142230 is about 229.8438133066.

Adding to 12142230 its reverse (3224121), we get a palindrome (15366351).

The spelling of 12142230 in words is "twelve million, one hundred forty-two thousand, two hundred thirty".