442520235212 has 24 divisors (see below), whose sum is σ = 844978184400. Its totient is φ = 201105840960.

The previous prime is 442520235211. The next prime is 442520235233. The reversal of 442520235212 is 212532025244.

It is not an unprimeable number, because it can be changed into a prime (442520235211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767087 + ... + 1213862.

It is an arithmetic number, because the mean of its divisors is an integer number (35207424350).

Almost surely, 2^442520235212 is an apocalyptic number.

It is an amenable number.

442520235212 is a deficient number, since it is larger than the sum of its proper divisors (402457949188).

442520235212 is a wasteful number, since it uses less digits than its factorization.

442520235212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986041 (or 1986039 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 442520235212 in words is "four hundred forty-two billion, five hundred twenty million, two hundred thirty-five thousand, two hundred twelve".