12430512240 has 80 divisors (see below), whose sum is σ = 39430773888. Its totient is φ = 3237712128.

The previous prime is 12430512233. The next prime is 12430512301. The reversal of 12430512240 is 4221503421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12430512240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591934 + ... + 612573.

Almost surely, 2^12430512240 is an apocalyptic number.

12430512240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430512240 is an abundant number, since it is smaller than the sum of its proper divisors (27000261648).

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

12430512240 is a wasteful number, since it uses less digits than its factorization.

12430512240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204566 (or 1204560 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 12430512240 in words is "twelve billion, four hundred thirty million, five hundred twelve thousand, two hundred forty".