442113012 has 48 divisors (see below), whose sum is σ = 1250424000. Its totient is φ = 133973280.

The previous prime is 442113011. The next prime is 442113031. The reversal of 442113012 is 210311244.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442113011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184887 + ... + 187262.

It is an arithmetic number, because the mean of its divisors is an integer number (26050500).

Almost surely, 2^442113012 is an apocalyptic number.

It is an amenable number.

442113012 is an abundant number, since it is smaller than the sum of its proper divisors (808310988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442113012 is a wasteful number, since it uses less digits than its factorization.

442113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372173 (or 372165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 442113012 is about 21026.4835861825. The cubic root of 442113012 is about 761.8060762642.

Adding to 442113012 its reverse (210311244), we get a palindrome (652424256).

The spelling of 442113012 in words is "four hundred forty-two million, one hundred thirteen thousand, twelve".