12013442430 has 64 divisors (see below), whose sum is σ = 31560979968. Its totient is φ = 2902386560.

The previous prime is 12013442429. The next prime is 12013442447. The reversal of 12013442430 is 3424431021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013442430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34567 + ... + 158813.

It is an arithmetic number, because the mean of its divisors is an integer number (493140312).

Almost surely, 2^12013442430 is an apocalyptic number.

12013442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013442430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15780489984).

12013442430 is an abundant number, since it is smaller than the sum of its proper divisors (19547537538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013442430 is a wasteful number, since it uses less digits than its factorization.

12013442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124561.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12013442430 its reverse (3424431021), we get a palindrome (15437873451).

The spelling of 12013442430 in words is "twelve billion, thirteen million, four hundred forty-two thousand, four hundred thirty".