12111229 has 8 divisors (see below), whose sum is σ = 13076000. Its totient is φ = 11151216.

The previous prime is 12111221. The next prime is 12111263. The reversal of 12111229 is 92211121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111229 - 2³ = 12111221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5554 + ... + 7420.

It is an arithmetic number, because the mean of its divisors is an integer number (1634500).

Almost surely, 2^12111229 is an apocalyptic number.

It is an amenable number.

12111229 is a deficient number, since it is larger than the sum of its proper divisors (964771).

12111229 is a wasteful number, since it uses less digits than its factorization.

12111229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its digits is 72, while the sum is 19.

The square root of 12111229 is about 3480.1191071571. The cubic root of 12111229 is about 229.6480376062.

The spelling of 12111229 in words is "twelve million, one hundred eleven thousand, two hundred twenty-nine".