12432154326 has 16 divisors (see below), whose sum is σ = 24883794864. Its totient is φ = 4140803744.

The previous prime is 12432154313. The next prime is 12432154331. The reversal of 12432154326 is 62345123421.

It is a super-2 number, since 2×12432154326² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 803625 + ... + 818948.

It is an arithmetic number, because the mean of its divisors is an integer number (1555237179).

Almost surely, 2^12432154326 is an apocalyptic number.

12432154326 is an abundant number, since it is smaller than the sum of its proper divisors (12451640538).

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

12432154326 is a wasteful number, since it uses less digits than its factorization.

12432154326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623855.

The product of its digits is 34560, while the sum is 33.

Adding to 12432154326 its reverse (62345123421), we get a palindrome (74777277747).

The spelling of 12432154326 in words is "twelve billion, four hundred thirty-two million, one hundred fifty-four thousand, three hundred twenty-six".