12011100220073 has 2 divisors, whose sum is σ = 12011100220074. Its totient is φ = 12011100220072.

The previous prime is 12011100219997. The next prime is 12011100220127. The reversal of 12011100220073 is 37002200111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10567421073049 + 1443679147024 = 3250757^2 + 1201532^2 .

It is an emirp because it is prime and its reverse (37002200111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011100220073 - 2⁸ = 12011100219817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011100220573) 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, 6005550110036 + 6005550110037.

It is an arithmetic number, because the mean of its divisors is an integer number (6005550110037).

Almost surely, 2^{12011100220073} is an apocalyptic number.

It is an amenable number.

12011100220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011100220073 is an equidigital number, since it uses as much as digits as its factorization.

12011100220073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 12011100220073 its reverse (37002200111021), we get a palindrome (49013300331094).

The spelling of 12011100220073 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty thousand, seventy-three".