Adding to 381012 its reverse (210183), we get a palindrome (591195).
It is a happy number.
381012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
2381012 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381012 is a wasteful number, since it uses less digits than its factorization.
381012 is an evil number, because the sum of its binary digits is even.
The square root of 381012 is about 617.2616949074. The cubic root of 381012 is about 72.4958063369.
The spelling of 381012 in words is "three hundred eighty-one thousand, twelve".