1200244221144 has 32 divisors (see below), whose sum is σ = 3334011726000. Its totient is φ = 400081406976.

The previous prime is 1200244221041. The next prime is 1200244221217. The reversal of 1200244221144 is 4411224420021.

1200244221144 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 2 + 442 + 211 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 2778342889 + ... + 2778343320.

Almost surely, 2^{1200244221144} is an apocalyptic number.

It is an amenable number.

1200244221144 is an abundant number, since it is smaller than the sum of its proper divisors (2133767504856).

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

1200244221144 is a wasteful number, since it uses less digits than its factorization.

1200244221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556686224 (or 5556686214 counting only the distinct ones).

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

Adding to 1200244221144 its reverse (4411224420021), we get a palindrome (5611468641165).

The spelling of 1200244221144 in words is "one trillion, two hundred billion, two hundred forty-four million, two hundred twenty-one thousand, one hundred forty-four".