12045343011 has 12 divisors (see below), whose sum is σ = 17390910168. Its totient is φ = 7412518464.

The previous prime is 12045343003. The next prime is 12045343031. The reversal of 12045343011 is 11034354021.

It is a happy number.

It is not a de Polignac number, because 12045343011 - 2³ = 12045343003 is a prime.

It is a super-2 number, since 2×12045343011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12045343031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11878530 + ... + 11879543.

It is an arithmetic number, because the mean of its divisors is an integer number (1449242514).

Almost surely, 2^12045343011 is an apocalyptic number.

12045343011 is a deficient number, since it is larger than the sum of its proper divisors (5345567157).

12045343011 is a wasteful number, since it uses less digits than its factorization.

12045343011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23758102 (or 23758089 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12045343011 its reverse (11034354021), we get a palindrome (23079697032).

The spelling of 12045343011 in words is "twelve billion, forty-five million, three hundred forty-three thousand, eleven".