12011110201973 has 2 divisors, whose sum is σ = 12011110201974. Its totient is φ = 12011110201972.

The previous prime is 12011110201957. The next prime is 12011110202023. The reversal of 12011110201973 is 37910201111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209258008529 + 801852193444 = 3348023^2 + 895462^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011110201973 - 2⁴ = 12011110201957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011110801973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005555100986 + 6005555100987.

It is an arithmetic number, because the mean of its divisors is an integer number (6005555100987).

Almost surely, 2^{12011110201973} is an apocalyptic number.

It is an amenable number.

12011110201973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011110201973 is an equidigital number, since it uses as much as digits as its factorization.

12011110201973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 29.

Adding to 12011110201973 its reverse (37910201111021), we get a palindrome (49921311312994).

The spelling of 12011110201973 in words is "twelve trillion, eleven billion, one hundred ten million, two hundred one thousand, nine hundred seventy-three".