12232142 has 16 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 5450592.

The previous prime is 12232141. The next prime is 12232151. The reversal of 12232142 is 24123221.

It is a self number, because there is not a number n which added to its sum of digits gives 12232142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7358 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^12232142 is an apocalyptic number.

12232142 is a deficient number, since it is larger than the sum of its proper divisors (8210098).

12232142 is a wasteful number, since it uses less digits than its factorization.

12232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267.

The product of its digits is 192, while the sum is 17.

The square root of 12232142 is about 3497.4479267031. The cubic root of 12232142 is about 230.4097422056.

Adding to 12232142 its reverse (24123221), we get a palindrome (36355363).

The spelling of 12232142 in words is "twelve million, two hundred thirty-two thousand, one hundred forty-two".