12143440430 has 16 divisors (see below), whose sum is σ = 23845301424. Its totient is φ = 4415796480.

The previous prime is 12143440429. The next prime is 12143440447. The reversal of 12143440430 is 3404434121.

12143440430 is digitally balanced in base 5, 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 12143440430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55197347 + ... + 55197566.

It is an arithmetic number, because the mean of its divisors is an integer number (1490331339).

Almost surely, 2^12143440430 is an apocalyptic number.

12143440430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143440430 is a deficient number, since it is larger than the sum of its proper divisors (11701860994).

12143440430 is a wasteful number, since it uses less digits than its factorization.

12143440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110394931.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12143440430 its reverse (3404434121), we get a palindrome (15547874551).

The spelling of 12143440430 in words is "twelve billion, one hundred forty-three million, four hundred forty thousand, four hundred thirty".