420424054212 has 24 divisors (see below), whose sum is σ = 1007502689536. Its totient is φ = 136353747168.

The previous prime is 420424054177. The next prime is 420424054279. The reversal of 420424054212 is 212450424024.

It is a self number, because there is not a number n which added to its sum of digits gives 420424054212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473450068 + ... + 473450955.

Almost surely, 2^420424054212 is an apocalyptic number.

It is an amenable number.

420424054212 is an abundant number, since it is smaller than the sum of its proper divisors (587078635324).

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

420424054212 is a wasteful number, since it uses less digits than its factorization.

420424054212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946901067 (or 946901065 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 420424054212 its reverse (212450424024), we get a palindrome (632874478236).

The spelling of 420424054212 in words is "four hundred twenty billion, four hundred twenty-four million, fifty-four thousand, two hundred twelve".