12045354044 has 48 divisors (see below), whose sum is σ = 22122979200. Its totient is φ = 5730816000.

The previous prime is 12045354023. The next prime is 12045354047. The reversal of 12045354044 is 44045354021.

It is a self number, because there is not a number n which added to its sum of digits gives 12045354044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045354047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7522844 + ... + 7524444.

It is an arithmetic number, because the mean of its divisors is an integer number (460895400).

Almost surely, 2^12045354044 is an apocalyptic number.

It is an amenable number.

12045354044 is a deficient number, since it is larger than the sum of its proper divisors (10077625156).

12045354044 is a wasteful number, since it uses less digits than its factorization.

12045354044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 12045354044 in words is "twelve billion, forty-five million, three hundred fifty-four thousand, forty-four".