12404421247 has 2 divisors, whose sum is σ = 12404421248. Its totient is φ = 12404421246.

The previous prime is 12404421241. The next prime is 12404421287. The reversal of 12404421247 is 74212440421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404421247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404421241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202210623 + 6202210624.

It is an arithmetic number, because the mean of its divisors is an integer number (6202210624).

Almost surely, 2^12404421247 is an apocalyptic number.

12404421247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404421247 is an equidigital number, since it uses as much as digits as its factorization.

12404421247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 31.

Adding to 12404421247 its reverse (74212440421), we get a palindrome (86616861668).

The spelling of 12404421247 in words is "twelve billion, four hundred four million, four hundred twenty-one thousand, two hundred forty-seven".