12040314545 has 48 divisors (see below), whose sum is σ = 17441474688. Its totient is φ = 7950136320.

The previous prime is 12040314467. The next prime is 12040314547. The reversal of 12040314545 is 54541304021.

It is not a de Polignac number, because 12040314545 - 2⁸ = 12040314289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12040314547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739937 + ... + 756033.

It is an arithmetic number, because the mean of its divisors is an integer number (363364056).

Almost surely, 2^12040314545 is an apocalyptic number.

It is an amenable number.

12040314545 is a deficient number, since it is larger than the sum of its proper divisors (5401160143).

12040314545 is a wasteful number, since it uses less digits than its factorization.

12040314545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230 (or 16223 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12040314545 its reverse (54541304021), we get a palindrome (66581618566).

The spelling of 12040314545 in words is "twelve billion, forty million, three hundred fourteen thousand, five hundred forty-five".