12720001289819 has 2 divisors, whose sum is σ = 12720001289820. Its totient is φ = 12720001289818.

The previous prime is 12720001289747. The next prime is 12720001289833. The reversal of 12720001289819 is 91898210002721.

12720001289819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12720001289819 - 2¹⁶ = 12720001224283 is a prime.

It is a super-2 number, since 2×12720001289819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12720001289839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6360000644909 + 6360000644910.

It is an arithmetic number, because the mean of its divisors is an integer number (6360000644910).

Almost surely, 2^{12720001289819} is an apocalyptic number.

12720001289819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12720001289819 is an equidigital number, since it uses as much as digits as its factorization.

12720001289819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 50.

The spelling of 12720001289819 in words is "twelve trillion, seven hundred twenty billion, one million, two hundred eighty-nine thousand, eight hundred nineteen".