12020611 has 2 divisors, whose sum is σ = 12020612. Its totient is φ = 12020610.

The previous prime is 12020609. The next prime is 12020623. The reversal of 12020611 is 11602021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020611 - 2¹ = 12020609 is a prime.

Together with 12020609, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12020591 and 12020600.

It is not a weakly prime, because it can be changed into another prime (12020681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010305 + 6010306.

It is an arithmetic number, because the mean of its divisors is an integer number (6010306).

Almost surely, 2^12020611 is an apocalyptic number.

12020611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020611 is an equidigital number, since it uses as much as digits as its factorization.

12020611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12020611 is about 3467.0752804057. The cubic root of 12020611 is about 229.0738496778.

Adding to 12020611 its reverse (11602021), we get a palindrome (23622632).

The spelling of 12020611 in words is "twelve million, twenty thousand, six hundred eleven".