12230142 has 16 divisors (see below), whose sum is σ = 24585600. Its totient is φ = 4055832.

The previous prime is 12230111. The next prime is 12230149. The reversal of 12230142 is 24103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (1536600).

Almost surely, 2^12230142 is an apocalyptic number.

12230142 is an abundant number, since it is smaller than the sum of its proper divisors (12355458).

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

12230142 is a wasteful number, since it uses less digits than its factorization.

12230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447.

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

The square root of 12230142 is about 3497.1619922446. The cubic root of 12230142 is about 230.3971839090.

Adding to 12230142 its reverse (24103221), we get a palindrome (36333363).

The spelling of 12230142 in words is "twelve million, two hundred thirty thousand, one hundred forty-two".