442012 has 6 divisors (see below), whose sum is σ = 773528. Its totient is φ = 221004.

The previous prime is 442009. The next prime is 442019. The reversal of 442012 is 210244.

It is a junction number, because it is equal to n+sod(n) for n = 441983 and 442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55248 + ... + 55255.

2⁴⁴²⁰¹² is an apocalyptic number.

It is an amenable number.

442012 is a deficient number, since it is larger than the sum of its proper divisors (331516).

442012 is a wasteful number, since it uses less digits than its factorization.

442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110507 (or 110505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 442012 is about 664.8398303351. The cubic root of 442012 is about 76.1748053832.

Adding to 442012 its reverse (210244), we get a palindrome (652256).

The spelling of 442012 in words is "four hundred forty-two thousand, twelve", and thus it is an iban number.