12279003871 has 2 divisors, whose sum is σ = 12279003872. Its totient is φ = 12279003870.

The previous prime is 12279003829. The next prime is 12279003881. The reversal of 12279003871 is 17830097221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12279003871 - 2¹³ = 12278995679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12279003811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6139501935 + 6139501936.

It is an arithmetic number, because the mean of its divisors is an integer number (6139501936).

Almost surely, 2^12279003871 is an apocalyptic number.

12279003871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12279003871 is an equidigital number, since it uses as much as digits as its factorization.

12279003871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 12279003871 in words is "twelve billion, two hundred seventy-nine million, three thousand, eight hundred seventy-one".