420104431012 has 48 divisors (see below), whose sum is σ = 885420410112. Its totient is φ = 170511580800.

The previous prime is 420104430973. The next prime is 420104431079. The reversal of 420104431012 is 210134401024.

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 15 ways as a sum of consecutive naturals, for example, 3164343 + ... + 3294430.

It is an arithmetic number, because the mean of its divisors is an integer number (18446258544).

Almost surely, 2^420104431012 is an apocalyptic number.

It is an amenable number.

420104431012 is an abundant number, since it is smaller than the sum of its proper divisors (465315979100).

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

420104431012 is a wasteful number, since it uses less digits than its factorization.

420104431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458908 (or 6458906 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 420104431012 its reverse (210134401024), we get a palindrome (630238832036).

The spelling of 420104431012 in words is "four hundred twenty billion, one hundred four million, four hundred thirty-one thousand, twelve".