12430113440 has 24 divisors (see below), whose sum is σ = 29366143380. Its totient is φ = 4972045312.

The previous prime is 12430113433. The next prime is 12430113457. The reversal of 12430113440 is 4431103421.

It can be written as a sum of positive squares in 2 ways, for example, as 10365683344 + 2064430096 = 101812^2 + 45436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38843945 + ... + 38844264.

Almost surely, 2^12430113440 is an apocalyptic number.

12430113440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430113440 is an abundant number, since it is smaller than the sum of its proper divisors (16936029940).

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

12430113440 is an equidigital number, since it uses as much as digits as its factorization.

12430113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77688224 (or 77688216 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12430113440 its reverse (4431103421), we get a palindrome (16861216861).

The spelling of 12430113440 in words is "twelve billion, four hundred thirty million, one hundred thirteen thousand, four hundred forty".