442421021143012 has 24 divisors (see below), whose sum is σ = 775469749759040. Its totient is φ = 220858240891680.

The previous prime is 442421021142887. The next prime is 442421021143039. The reversal of 442421021143012 is 210341120124244.

It is a super-3 number, since 3×442421021143012³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367446118 + ... + 368648194.

Almost surely, 2^{442421021143012} is an apocalyptic number.

It is an amenable number.

442421021143012 is a deficient number, since it is larger than the sum of its proper divisors (333048728616028).

442421021143012 is a wasteful number, since it uses less digits than its factorization.

442421021143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348531 (or 1348529 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 442421021143012 its reverse (210341120124244), we get a palindrome (652762141267256).

The spelling of 442421021143012 in words is "four hundred forty-two trillion, four hundred twenty-one billion, twenty-one million, one hundred forty-three thousand, twelve".