12111370 has 16 divisors (see below), whose sum is σ = 21841128. Its totient is φ = 4835520.

The previous prime is 12111349. The next prime is 12111371. The reversal of 12111370 is 7311121.

It can be written as a sum of positive squares in 4 ways, for example, as 11068929 + 1042441 = 3327^2 + 1021^2 .

It is not an unprimeable number, because it can be changed into a prime (12111371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8080 + ... + 9460.

Almost surely, 2^12111370 is an apocalyptic number.

12111370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111370 is a deficient number, since it is larger than the sum of its proper divisors (9729758).

12111370 is a wasteful number, since it uses less digits than its factorization.

12111370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 12111370 is about 3480.1393650255. The cubic root of 12111370 is about 229.6489287970.

Adding to 12111370 its reverse (7311121), we get a palindrome (19422491).

The spelling of 12111370 in words is "twelve million, one hundred eleven thousand, three hundred seventy".