421424434212 has 48 divisors (see below), whose sum is σ = 993574213632. Its totient is φ = 139010780160.

The previous prime is 421424434199. The next prime is 421424434229. The reversal of 421424434212 is 212434424124.

It is a nude number because it is divisible by every one of its digits.

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, 14734758 + ... + 14763330.

It is an arithmetic number, because the mean of its divisors is an integer number (20699462784).

Almost surely, 2^421424434212 is an apocalyptic number.

It is an amenable number.

421424434212 is an abundant number, since it is smaller than the sum of its proper divisors (572149779420).

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

421424434212 is a wasteful number, since it uses less digits than its factorization.

421424434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41348 (or 41346 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

Adding to 421424434212 its reverse (212434424124), we get a palindrome (633858858336).

The spelling of 421424434212 in words is "four hundred twenty-one billion, four hundred twenty-four million, four hundred thirty-four thousand, two hundred twelve".