12440243001 has 8 divisors (see below), whose sum is σ = 16991551584. Its totient is φ = 8091214880.

The previous prime is 12440242973. The next prime is 12440243003. The reversal of 12440243001 is 10034204421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12440243001 - 2⁹ = 12440242489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12440243003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50569971 + ... + 50570216.

It is an arithmetic number, because the mean of its divisors is an integer number (2123943948).

Almost surely, 2^12440243001 is an apocalyptic number.

It is an amenable number.

12440243001 is a deficient number, since it is larger than the sum of its proper divisors (4551308583).

12440243001 is a wasteful number, since it uses less digits than its factorization.

12440243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101140231.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12440243001 its reverse (10034204421), we get a palindrome (22474447422).

The spelling of 12440243001 in words is "twelve billion, four hundred forty million, two hundred forty-three thousand, one".