424121430012 has 144 divisors (see below), whose sum is σ = 1189330007040. Its totient is φ = 117169113600.

The previous prime is 424121429989. The next prime is 424121430077. The reversal of 424121430012 is 210034121424.

It is a congruent number.

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, 22939812 + ... + 22958292.

It is an arithmetic number, because the mean of its divisors is an integer number (8259236160).

Almost surely, 2^424121430012 is an apocalyptic number.

424121430012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424121430012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594665003520).

424121430012 is an abundant number, since it is smaller than the sum of its proper divisors (765208577028).

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

424121430012 is a wasteful number, since it uses less digits than its factorization.

424121430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19792 (or 19783 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 424121430012 its reverse (210034121424), we get a palindrome (634155551436).

The spelling of 424121430012 in words is "four hundred twenty-four billion, one hundred twenty-one million, four hundred thirty thousand, twelve".