12432120007 has 2 divisors, whose sum is σ = 12432120008. Its totient is φ = 12432120006.

The previous prime is 12432119989. The next prime is 12432120013. The reversal of 12432120007 is 70002123421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12432120007 - 2¹⁹ = 12431595719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12432120007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216060003 + 6216060004.

It is an arithmetic number, because the mean of its divisors is an integer number (6216060004).

Almost surely, 2^12432120007 is an apocalyptic number.

12432120007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432120007 is an equidigital number, since it uses as much as digits as its factorization.

12432120007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12432120007 its reverse (70002123421), we get a palindrome (82434243428).

The spelling of 12432120007 in words is "twelve billion, four hundred thirty-two million, one hundred twenty thousand, seven".