12147999599 has 2 divisors, whose sum is σ = 12147999600. Its totient is φ = 12147999598.

The previous prime is 12147999583. The next prime is 12147999607. The reversal of 12147999599 is 99599974121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12147999599 - 2⁴ = 12147999583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12147999509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073999799 + 6073999800.

It is an arithmetic number, because the mean of its divisors is an integer number (6073999800).

Almost surely, 2^12147999599 is an apocalyptic number.

12147999599 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147999599 is an equidigital number, since it uses as much as digits as its factorization.

12147999599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 65.

The spelling of 12147999599 in words is "twelve billion, one hundred forty-seven million, nine hundred ninety-nine thousand, five hundred ninety-nine".