12045430216 has 16 divisors (see below), whose sum is σ = 23195592540. Its totient is φ = 5859938880.

The previous prime is 12045430213. The next prime is 12045430249. The reversal of 12045430216 is 61203454021.

It can be written as a sum of positive squares in 2 ways, for example, as 10129617316 + 1915812900 = 100646^2 + 43770^2 .

It is not an unprimeable number, because it can be changed into a prime (12045430213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20346715 + ... + 20347306.

Almost surely, 2^12045430216 is an apocalyptic number.

It is an amenable number.

12045430216 is a deficient number, since it is larger than the sum of its proper divisors (11150162324).

12045430216 is a wasteful number, since it uses less digits than its factorization.

12045430216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40694064 (or 40694060 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12045430216 its reverse (61203454021), we get a palindrome (73248884237).

The spelling of 12045430216 in words is "twelve billion, forty-five million, four hundred thirty thousand, two hundred sixteen".