420044403003012 has 144 divisors (see below), whose sum is σ = 1081317621558720. Its totient is φ = 137445147426816.

The previous prime is 420044403002971. The next prime is 420044403003089. The reversal of 420044403003012 is 210300304440024.

It is a happy number.

420044403003012 is a `hidden beast` number, since 4 + 200 + 4 + 440 + 3 + 0 + 0 + 3 + 0 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6197413668 + ... + 6197481444.

Almost surely, 2^{420044403003012} 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 420044403003012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540658810779360).

420044403003012 is an abundant number, since it is smaller than the sum of its proper divisors (661273218555708).

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

420044403003012 is a wasteful number, since it uses less digits than its factorization.

420044403003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71970 (or 71965 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 420044403003012 its reverse (210300304440024), we get a palindrome (630344707443036).

The spelling of 420044403003012 in words is "four hundred twenty trillion, forty-four billion, four hundred three million, three thousand, twelve".