12424505420 has 24 divisors (see below), whose sum is σ = 27626253984. Its totient is φ = 4677460736.

The previous prime is 12424505419. The next prime is 12424505453. The reversal of 12424505420 is 2450542421.

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, 18270992 + ... + 18271671.

It is an arithmetic number, because the mean of its divisors is an integer number (1151093916).

Almost surely, 2^12424505420 is an apocalyptic number.

12424505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12424505420 is an abundant number, since it is smaller than the sum of its proper divisors (15201748564).

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

12424505420 is a wasteful number, since it uses less digits than its factorization.

12424505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36542689 (or 36542687 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 12424505420 in words is "twelve billion, four hundred twenty-four million, five hundred five thousand, four hundred twenty".