420712123224 has 16 divisors (see below), whose sum is σ = 1051780308120. Its totient is φ = 140237374400.

The previous prime is 420712123193. The next prime is 420712123229. The reversal of 420712123224 is 422321217024.

It is a junction number, because it is equal to n+sod(n) for n = 420712123191 and 420712123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420712123229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8764835877 + ... + 8764835924.

Almost surely, 2^420712123224 is an apocalyptic number.

It is an amenable number.

420712123224 is an abundant number, since it is smaller than the sum of its proper divisors (631068184896).

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

420712123224 is a wasteful number, since it uses less digits than its factorization.

420712123224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17529671810 (or 17529671806 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 420712123224 in words is "four hundred twenty billion, seven hundred twelve million, one hundred twenty-three thousand, two hundred twenty-four".