12424520000 has 140 divisors (see below), whose sum is σ = 30927300096. Its totient is φ = 4950720000.

The previous prime is 12424519997. The next prime is 12424520047. The reversal of 12424520000 is 2542421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15319595 + ... + 15320405.

Almost surely, 2^12424520000 is an apocalyptic number.

12424520000 is a gapful number since it is divisible by the number (10) 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 12424520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15463650048).

12424520000 is an abundant number, since it is smaller than the sum of its proper divisors (18502780096).

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

12424520000 is an frugal number, since it uses more digits than its factorization.

12424520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The spelling of 12424520000 in words is "twelve billion, four hundred twenty-four million, five hundred twenty thousand".