12432154315 has 72 divisors (see below), whose sum is σ = 18702371232. Its totient is φ = 7907235840.

The previous prime is 12432154313. The next prime is 12432154331. The reversal of 12432154315 is 51345123421.

It is not a de Polignac number, because 12432154315 - 2¹ = 12432154313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432154313) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5025919 + ... + 5028391.

It is an arithmetic number, because the mean of its divisors is an integer number (259755156).

Almost surely, 2^12432154315 is an apocalyptic number.

12432154315 is a deficient number, since it is larger than the sum of its proper divisors (6270216917).

12432154315 is a wasteful number, since it uses less digits than its factorization.

12432154315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2573 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 12432154315 its reverse (51345123421), we get a palindrome (63777277736).

The spelling of 12432154315 in words is "twelve billion, four hundred thirty-two million, one hundred fifty-four thousand, three hundred fifteen".