1001201444144 has 40 divisors (see below), whose sum is σ = 2118228710400. Its totient is φ = 454650075200.

The previous prime is 1001201444027. The next prime is 1001201444197. The reversal of 1001201444144 is 4414441021001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577344 + ... + 2940255.

It is an arithmetic number, because the mean of its divisors is an integer number (52955717760).

Almost surely, 2^{1001201444144} is an apocalyptic number.

It is an amenable number.

1001201444144 is an abundant number, since it is smaller than the sum of its proper divisors (1117027266256).

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

1001201444144 is a wasteful number, since it uses less digits than its factorization.

1001201444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518649 (or 5518643 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 1001201444144 its reverse (4414441021001), we get a palindrome (5415642465145).

The spelling of 1001201444144 in words is "one trillion, one billion, two hundred one million, four hundred forty-four thousand, one hundred forty-four".