12132440430 has 96 divisors (see below), whose sum is σ = 33206544000. Its totient is φ = 2813279040.

The previous prime is 12132440417. The next prime is 12132440447. The reversal of 12132440430 is 3404423121.

It is a super-2 number, since 2×12132440430² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12132440430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139821 + ... + 209319.

It is an arithmetic number, because the mean of its divisors is an integer number (345901500).

Almost surely, 2^12132440430 is an apocalyptic number.

12132440430 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 12132440430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16603272000).

12132440430 is an abundant number, since it is smaller than the sum of its proper divisors (21074103570).

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

12132440430 is a wasteful number, since it uses less digits than its factorization.

12132440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69566 (or 69543 counting only the distinct ones).

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

Adding to 12132440430 its reverse (3404423121), we get a palindrome (15536863551).

The spelling of 12132440430 in words is "twelve billion, one hundred thirty-two million, four hundred forty thousand, four hundred thirty".