12142124 has 6 divisors (see below), whose sum is σ = 21248724. Its totient is φ = 6071060.

The previous prime is 12142103. The next prime is 12142129. The reversal of 12142124 is 42124121.

It is a super-3 number, since 3×12142124³ (a number of 22 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12142129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517762 + ... + 1517769.

It is an arithmetic number, because the mean of its divisors is an integer number (3541454).

Almost surely, 2^12142124 is an apocalyptic number.

It is an amenable number.

12142124 is a deficient number, since it is larger than the sum of its proper divisors (9106600).

12142124 is a wasteful number, since it uses less digits than its factorization.

12142124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035535 (or 3035533 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 12142124 is about 3484.5550648540. Note that the first 3 decimals coincide. The cubic root of 12142124 is about 229.8431444697.

Adding to 12142124 its reverse (42124121), we get a palindrome (54266245).

The spelling of 12142124 in words is "twelve million, one hundred forty-two thousand, one hundred twenty-four".