12011113 has 2 divisors, whose sum is σ = 12011114. Its totient is φ = 12011112.

The previous prime is 12011099. The next prime is 12011117. The reversal of 12011113 is 31111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 1272384 = 3277^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011113 - 2¹⁷ = 11880041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011113.

It is not a weakly prime, because it can be changed into another prime (12011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005556 + 6005557.

It is an arithmetic number, because the mean of its divisors is an integer number (6005557).

Almost surely, 2^12011113 is an apocalyptic number.

It is an amenable number.

12011113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011113 is an equidigital number, since it uses as much as digits as its factorization.

12011113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 12011113 is about 3465.7052673302. The cubic root of 12011113 is about 229.0135000908.

Adding to 12011113 its reverse (31111021), we get a palindrome (43122134).

The spelling of 12011113 in words is "twelve million, eleven thousand, one hundred thirteen".