1244120221404 has 72 divisors (see below), whose sum is σ = 3231923254560. Its totient is φ = 403290854400.

The previous prime is 1244120221387. The next prime is 1244120221417. The reversal of 1244120221404 is 4041220214421.

1244120221404 is a `hidden beast` number, since 1 + 2 + 441 + 2 + 0 + 2 + 214 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896109 + ... + 1814180.

It is an arithmetic number, because the mean of its divisors is an integer number (44887822980).

Almost surely, 2^{1244120221404} is an apocalyptic number.

It is an amenable number.

1244120221404 is an abundant number, since it is smaller than the sum of its proper divisors (1987803033156).

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

1244120221404 is a wasteful number, since it uses less digits than its factorization.

1244120221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710651 (or 2710646 counting only the distinct ones).

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

Adding to 1244120221404 its reverse (4041220214421), we get a palindrome (5285340435825).

The spelling of 1244120221404 in words is "one trillion, two hundred forty-four billion, one hundred twenty million, two hundred twenty-one thousand, four hundred four".