12432120003 has 40 divisors (see below), whose sum is σ = 18736898400. Its totient is φ = 8214497280.

The previous prime is 12432119989. The next prime is 12432120007. The reversal of 12432120003 is 30002123421.

It is not a de Polignac number, because 12432120003 - 2¹⁸ = 12431857859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12432120007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7735426 + ... + 7737032.

It is an arithmetic number, because the mean of its divisors is an integer number (468422460).

Almost surely, 2^12432120003 is an apocalyptic number.

12432120003 is a deficient number, since it is larger than the sum of its proper divisors (6304778397).

12432120003 is a wasteful number, since it uses less digits than its factorization.

12432120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12432120003 its reverse (30002123421), we get a palindrome (42434243424).

The spelling of 12432120003 in words is "twelve billion, four hundred thirty-two million, one hundred twenty thousand, three".