404142242212 has 12 divisors (see below), whose sum is σ = 707255481856. Its totient is φ = 202069247400.

The previous prime is 404142242201. The next prime is 404142242221. The reversal of 404142242212 is 212242241404.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 91153 + ... + 903655.

Almost surely, 2^404142242212 is an apocalyptic number.

It is an amenable number.

404142242212 is a deficient number, since it is larger than the sum of its proper divisors (303113239644).

404142242212 is a wasteful number, since it uses less digits than its factorization.

404142242212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936858 (or 936856 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 404142242212 its reverse (212242241404), we get a palindrome (616384483616).

The spelling of 404142242212 in words is "four hundred four billion, one hundred forty-two million, two hundred forty-two thousand, two hundred twelve".