12012002099897 has 2 divisors, whose sum is σ = 12012002099898. Its totient is φ = 12012002099896.

The previous prime is 12012002099887. The next prime is 12012002100013. The reversal of 12012002099897 is 79899020021021.

12012002099897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11157664215481 + 854337884416 = 3340309^2 + 924304^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012002099897 - 2¹⁸ = 12012001837753 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012002099807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006001049948 + 6006001049949.

It is an arithmetic number, because the mean of its divisors is an integer number (6006001049949).

Almost surely, 2^{12012002099897} is an apocalyptic number.

It is an amenable number.

12012002099897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012002099897 is an equidigital number, since it uses as much as digits as its factorization.

12012002099897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 12012002099897 in words is "twelve trillion, twelve billion, two million, ninety-nine thousand, eight hundred ninety-seven".