442012132011 has 4 divisors (see below), whose sum is σ = 589349509352. Its totient is φ = 294674754672.

The previous prime is 442012131989. The next prime is 442012132019. The reversal of 442012132011 is 110231210244.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 442012132011 - 2¹⁸ = 442011869867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442012132019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73668688666 + ... + 73668688671.

It is an arithmetic number, because the mean of its divisors is an integer number (147337377338).

Almost surely, 2^442012132011 is an apocalyptic number.

442012132011 is a deficient number, since it is larger than the sum of its proper divisors (147337377341).

442012132011 is a wasteful number, since it uses less digits than its factorization.

442012132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147337377340.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 442012132011 its reverse (110231210244), we get a palindrome (552243342255).

The spelling of 442012132011 in words is "four hundred forty-two billion, twelve million, one hundred thirty-two thousand, eleven".