12132444430 has 16 divisors (see below), whose sum is σ = 21852224064. Its totient is φ = 4849905760.

The previous prime is 12132444421. The next prime is 12132444431. The reversal of 12132444430 is 3444423121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132444431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367381 + ... + 399040.

It is an arithmetic number, because the mean of its divisors is an integer number (1365764004).

Almost surely, 2^12132444430 is an apocalyptic number.

12132444430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132444430 is a deficient number, since it is larger than the sum of its proper divisors (9719779634).

12132444430 is a wasteful number, since it uses less digits than its factorization.

12132444430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768011.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12132444430 its reverse (3444423121), we get a palindrome (15576867551).

The spelling of 12132444430 in words is "twelve billion, one hundred thirty-two million, four hundred forty-four thousand, four hundred thirty".