12004246637 has 2 divisors, whose sum is σ = 12004246638. Its totient is φ = 12004246636.

The previous prime is 12004246633. The next prime is 12004246711. The reversal of 12004246637 is 73664240021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11073142441 + 931104196 = 105229^2 + 30514^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004246637 - 2² = 12004246633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12004246597 and 12004246606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12004246633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002123318 + 6002123319.

It is an arithmetic number, because the mean of its divisors is an integer number (6002123319).

Almost surely, 2^12004246637 is an apocalyptic number.

It is an amenable number.

12004246637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004246637 is an equidigital number, since it uses as much as digits as its factorization.

12004246637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 12004246637 its reverse (73664240021), we get a palindrome (85668486658).

The spelling of 12004246637 in words is "twelve billion, four million, two hundred forty-six thousand, six hundred thirty-seven".