12440130424320 has 160 divisors (see below), whose sum is σ = 41498653059072. Its totient is φ = 3173134671872.

The previous prime is 12440130424291. The next prime is 12440130424373. The reversal of 12440130424320 is 2342403104421.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 35036592 + ... + 35389871.

Almost surely, 2^{12440130424320} is an apocalyptic number.

12440130424320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440130424320 is an abundant number, since it is smaller than the sum of its proper divisors (29058522634752).

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

12440130424320 is an equidigital number, since it uses as much as digits as its factorization.

12440130424320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70426512 (or 70426496 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12440130424320 its reverse (2342403104421), we get a palindrome (14782533528741).

The spelling of 12440130424320 in words is "twelve trillion, four hundred forty billion, one hundred thirty million, four hundred twenty-four thousand, three hundred twenty".