12002111178427 has 2 divisors, whose sum is σ = 12002111178428. Its totient is φ = 12002111178426.

The previous prime is 12002111178397. The next prime is 12002111178443. The reversal of 12002111178427 is 72487111120021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002111178427 - 2³¹ = 11999963694779 is a prime.

It is not a weakly prime, because it can be changed into another prime (12002111178727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001055589213 + 6001055589214.

It is an arithmetic number, because the mean of its divisors is an integer number (6001055589214).

Almost surely, 2^{12002111178427} is an apocalyptic number.

12002111178427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002111178427 is an equidigital number, since it uses as much as digits as its factorization.

12002111178427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 37.

Adding to 12002111178427 its reverse (72487111120021), we get a palindrome (84489222298448).

The spelling of 12002111178427 in words is "twelve trillion, two billion, one hundred eleven million, one hundred seventy-eight thousand, four hundred twenty-seven".