404041121012 has 24 divisors (see below), whose sum is σ = 722724799104. Its totient is φ = 197555568512.

The previous prime is 404041121009. The next prime is 404041121017. The reversal of 404041121012 is 210121140404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404041121017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682133 + ... + 1128444.

It is an arithmetic number, because the mean of its divisors is an integer number (30113533296).

Almost surely, 2^404041121012 is an apocalyptic number.

It is an amenable number.

404041121012 is a deficient number, since it is larger than the sum of its proper divisors (318683678092).

404041121012 is a wasteful number, since it uses less digits than its factorization.

404041121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811815 (or 1811813 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 404041121012 its reverse (210121140404), we get a palindrome (614162261416).

The spelling of 404041121012 in words is "four hundred four billion, forty-one million, one hundred twenty-one thousand, twelve".