12045787144 has 8 divisors (see below), whose sum is σ = 22585850910. Its totient is φ = 6022893568.

The previous prime is 12045787111. The next prime is 12045787183. The reversal of 12045787144 is 44178754021.

It can be written as a sum of positive squares in only one way, i.e., 6538663044 + 5507124100 = 80862^2 + 74210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12045787144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752861689 + ... + 752861704.

Almost surely, 2^12045787144 is an apocalyptic number.

It is an amenable number.

12045787144 is a deficient number, since it is larger than the sum of its proper divisors (10540063766).

12045787144 is a wasteful number, since it uses less digits than its factorization.

12045787144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505723399 (or 1505723395 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 12045787144 in words is "twelve billion, forty-five million, seven hundred eighty-seven thousand, one hundred forty-four".