12018011 has 2 divisors, whose sum is σ = 12018012. Its totient is φ = 12018010.

The previous prime is 12018001. The next prime is 12018023. The reversal of 12018011 is 11081021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12018011 - 2¹⁸ = 11755867 is a prime.

It is a super-2 number, since 2×12018011² = 288865176792242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12018001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009005 + 6009006.

It is an arithmetic number, because the mean of its divisors is an integer number (6009006).

Almost surely, 2^12018011 is an apocalyptic number.

12018011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018011 is an equidigital number, since it uses as much as digits as its factorization.

12018011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 12018011 is about 3466.7003043240. The cubic root of 12018011 is about 229.0573326317.

Adding to 12018011 its reverse (11081021), we get a palindrome (23099032).

The spelling of 12018011 in words is "twelve million, eighteen thousand, eleven".