12142712 has 16 divisors (see below), whose sum is σ = 23757840. Its totient is φ = 5807296.

The previous prime is 12142703. The next prime is 12142717. The reversal of 12142712 is 21724121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142717) 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 in 3 ways as a sum of consecutive naturals, for example, 32813 + ... + 33180.

It is an arithmetic number, because the mean of its divisors is an integer number (1484865).

Almost surely, 2^12142712 is an apocalyptic number.

It is an amenable number.

12142712 is a deficient number, since it is larger than the sum of its proper divisors (11615128).

12142712 is a wasteful number, since it uses less digits than its factorization.

12142712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66022 (or 66018 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 12142712 is about 3484.6394361540. The cubic root of 12142712 is about 229.8468545725.

Adding to 12142712 its reverse (21724121), we get a palindrome (33866833).

The spelling of 12142712 in words is "twelve million, one hundred forty-two thousand, seven hundred twelve".