12467399899 has 2 divisors, whose sum is σ = 12467399900. Its totient is φ = 12467399898.

The previous prime is 12467399897. The next prime is 12467399969. The reversal of 12467399899 is 99899376421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12467399899 - 2¹ = 12467399897 is a prime.

Together with 12467399897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12467399897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6233699949 + 6233699950.

It is an arithmetic number, because the mean of its divisors is an integer number (6233699950).

Almost surely, 2^12467399899 is an apocalyptic number.

12467399899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12467399899 is an equidigital number, since it uses as much as digits as its factorization.

12467399899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52907904, while the sum is 67.

The spelling of 12467399899 in words is "twelve billion, four hundred sixty-seven million, three hundred ninety-nine thousand, eight hundred ninety-nine".