12111302 has 16 divisors (see below), whose sum is σ = 20835360. Its totient is φ = 5172288.

The previous prime is 12111301. The next prime is 12111311. The reversal of 12111302 is 20311121.

It is a super-2 number, since 2×12111302² = 293367272270408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111301) 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 in 7 ways as a sum of consecutive naturals, for example, 3074 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (1302210).

Almost surely, 2^12111302 is an apocalyptic number.

12111302 is a deficient number, since it is larger than the sum of its proper divisors (8724058).

12111302 is a wasteful number, since it uses less digits than its factorization.

12111302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12111302 is about 3480.1295952881. The cubic root of 12111302 is about 229.6484990037.

Adding to 12111302 its reverse (20311121), we get a palindrome (32422423).

The spelling of 12111302 in words is "twelve million, one hundred eleven thousand, three hundred two".