404023200012 has 144 divisors (see below), whose sum is σ = 1111694438400. Its totient is φ = 123249911040.

The previous prime is 404023200011. The next prime is 404023200017. The reversal of 404023200012 is 210002320404.

It is a super-2 number, since 2×404023200012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (404023200011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12048333 + ... + 12081819.

Almost surely, 2^404023200012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404023200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555847219200).

404023200012 is an abundant number, since it is smaller than the sum of its proper divisors (707671238388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404023200012 is a wasteful number, since it uses less digits than its factorization.

404023200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34116 (or 34111 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 404023200012 its reverse (210002320404), we get a palindrome (614025520416).

The spelling of 404023200012 in words is "four hundred four billion, twenty-three million, two hundred thousand, twelve".