12144201444 has 18 divisors (see below), whose sum is σ = 30697842630. Its totient is φ = 4048067136.

The previous prime is 12144201403. The next prime is 12144201463. The reversal of 12144201444 is 44410244121.

It is a happy number.

12144201444 is a `hidden beast` number, since 1 + 2 + 14 + 4 + 201 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11787444900 + 356756544 = 108570^2 + 18888^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168669429 + ... + 168669500.

Almost surely, 2^12144201444 is an apocalyptic number.

It is an amenable number.

12144201444 is an abundant number, since it is smaller than the sum of its proper divisors (18553641186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12144201444 is a wasteful number, since it uses less digits than its factorization.

12144201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337338939 (or 337338934 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 12144201444 its reverse (44410244121), we get a palindrome (56554445565).

The spelling of 12144201444 in words is "twelve billion, one hundred forty-four million, two hundred one thousand, four hundred forty-four".