12111430 has 32 divisors (see below), whose sum is σ = 22633344. Its totient is φ = 4663296.

The previous prime is 12111427. The next prime is 12111431. The reversal of 12111430 is 3411121.

12111430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12111430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34134 + ... + 34486.

It is an arithmetic number, because the mean of its divisors is an integer number (707292).

Almost surely, 2^12111430 is an apocalyptic number.

12111430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111430 is a deficient number, since it is larger than the sum of its proper divisors (10521914).

12111430 is a wasteful number, since it uses less digits than its factorization.

12111430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12111430 is about 3480.1479853592. The cubic root of 12111430 is about 229.6493080251.

Adding to 12111430 its reverse (3411121), we get a palindrome (15522551).

The spelling of 12111430 in words is "twelve million, one hundred eleven thousand, four hundred thirty".