12000111073 has 2 divisors, whose sum is σ = 12000111074. Its totient is φ = 12000111072.

The previous prime is 12000111061. The next prime is 12000111077. The reversal of 12000111073 is 37011100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6347627584 + 5652483489 = 79672^2 + 75183^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000111073 - 2²¹ = 11998013921 is a prime.

It is a super-2 number, since 2×12000111073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12000111077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000055536 + 6000055537.

It is an arithmetic number, because the mean of its divisors is an integer number (6000055537).

Almost surely, 2^12000111073 is an apocalyptic number.

It is an amenable number.

12000111073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000111073 is an equidigital number, since it uses as much as digits as its factorization.

12000111073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

Adding to 12000111073 its reverse (37011100021), we get a palindrome (49011211094).

The spelling of 12000111073 in words is "twelve billion, one hundred eleven thousand, seventy-three".