142012 has 12 divisors (see below), whose sum is σ = 267736. Its totient is φ = 65520.
The previous prime is 142007. The next prime is 142019. The reversal of 142012 is 210241.
142012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 16.
It is a nialpdrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 142012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142019) by changing a digit.
142012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314 + ... + 1417.
2142012 is an apocalyptic number.
It is an amenable number.
142012 is a deficient number, since it is larger than the sum of its proper divisors (125724).
142012 is a wasteful number, since it uses less digits than its factorization.
142012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2748 (or 2746 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 142012 is about 376.8447956387. The cubic root of 142012 is about 52.1725040280.
Adding to 142012 its reverse (210241), we get a palindrome (352253).
The spelling of 142012 in words is "one hundred forty-two thousand, twelve", and thus it is an iban number.
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