12190211 has 4 divisors (see below), whose sum is σ = 13298424. Its totient is φ = 11082000.

The previous prime is 12190187. The next prime is 12190219. The reversal of 12190211 is 11209121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12190211 - 2⁶ = 12190147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12190211.

It is not an unprimeable number, because it can be changed into a prime (12190219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554090 + ... + 554111.

It is an arithmetic number, because the mean of its divisors is an integer number (3324606).

Almost surely, 2^12190211 is an apocalyptic number.

12190211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12190211 is a deficient number, since it is larger than the sum of its proper divisors (1108213).

12190211 is a wasteful number, since it uses less digits than its factorization.

12190211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108212.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 12190211 is about 3491.4482668371. The cubic root of 12190211 is about 230.1461641824.

Adding to 12190211 its reverse (11209121), we get a palindrome (23399332).

The spelling of 12190211 in words is "twelve million, one hundred ninety thousand, two hundred eleven".