12190511 has 2 divisors, whose sum is σ = 12190512. Its totient is φ = 12190510.

The previous prime is 12190481. The next prime is 12190517. The reversal of 12190511 is 11509121.

12190511 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12190511 - 2⁶ = 12190447 is a prime.

It is a super-2 number, since 2×12190511² = 297217116882242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12190517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095255 + 6095256.

It is an arithmetic number, because the mean of its divisors is an integer number (6095256).

Almost surely, 2^12190511 is an apocalyptic number.

12190511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190511 is an equidigital number, since it uses as much as digits as its factorization.

12190511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 12190511 is about 3491.4912286872. The cubic root of 12190511 is about 230.1480521257.

Adding to 12190511 its reverse (11509121), we get a palindrome (23699632).

The spelling of 12190511 in words is "twelve million, one hundred ninety thousand, five hundred eleven".