12007421599 has 2 divisors, whose sum is σ = 12007421600. Its totient is φ = 12007421598.

The previous prime is 12007421533. The next prime is 12007421677. The reversal of 12007421599 is 99512470021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99512470021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12007421599 - 2¹¹ = 12007419551 is a prime.

It is a super-2 number, since 2×12007421599² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12007421299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003710799 + 6003710800.

It is an arithmetic number, because the mean of its divisors is an integer number (6003710800).

Almost surely, 2^12007421599 is an apocalyptic number.

12007421599 is a deficient number, since it is larger than the sum of its proper divisors (1).

12007421599 is an equidigital number, since it uses as much as digits as its factorization.

12007421599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 12007421599 in words is "twelve billion, seven million, four hundred twenty-one thousand, five hundred ninety-nine".