12404242001 has 2 divisors, whose sum is σ = 12404242002. Its totient is φ = 12404242000.

The previous prime is 12404241991. The next prime is 12404242013. The reversal of 12404242001 is 10024240421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8850293776 + 3553948225 = 94076^2 + 59615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404242001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12404242031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202121000 + 6202121001.

It is an arithmetic number, because the mean of its divisors is an integer number (6202121001).

Almost surely, 2^12404242001 is an apocalyptic number.

It is an amenable number.

12404242001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404242001 is an equidigital number, since it uses as much as digits as its factorization.

12404242001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12404242001 its reverse (10024240421), we get a palindrome (22428482422).

The spelling of 12404242001 in words is "twelve billion, four hundred four million, two hundred forty-two thousand, one".