12011012112361 has 2 divisors, whose sum is σ = 12011012112362. Its totient is φ = 12011012112360.

The previous prime is 12011012112317. The next prime is 12011012112439. The reversal of 12011012112361 is 16321121011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9081369087961 + 2929643024400 = 3013531^2 + 1711620^2 .

It is an emirp because it is prime and its reverse (16321121011021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011012112361 - 2⁹ = 12011012111849 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011012112761) 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, 6005506056180 + 6005506056181.

It is an arithmetic number, because the mean of its divisors is an integer number (6005506056181).

Almost surely, 2^{12011012112361} is an apocalyptic number.

It is an amenable number.

12011012112361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011012112361 is an equidigital number, since it uses as much as digits as its factorization.

12011012112361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 12011012112361 its reverse (16321121011021), we get a palindrome (28332133123382).

The spelling of 12011012112361 in words is "twelve trillion, eleven billion, twelve million, one hundred twelve thousand, three hundred sixty-one".