1204144404242 has 12 divisors (see below), whose sum is σ = 1955844018090. Its totient is φ = 555758955648.

The previous prime is 1204144404179. The next prime is 1204144404313. The reversal of 1204144404242 is 2424044414021.

It can be written as a sum of positive squares in 3 ways, for example, as 554877499801 + 649266904441 = 744901^2 + 805771^2 .

It is a super-3 number, since 3×1204144404242³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1204144404199 and 1204144404208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1781278367 + ... + 1781279042.

Almost surely, 2^{1204144404242} is an apocalyptic number.

1204144404242 is a deficient number, since it is larger than the sum of its proper divisors (751699613848).

1204144404242 is a wasteful number, since it uses less digits than its factorization.

1204144404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562557437 (or 3562557424 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 1204144404242 its reverse (2424044414021), we get a palindrome (3628188818263).

The spelling of 1204144404242 in words is "one trillion, two hundred four billion, one hundred forty-four million, four hundred four thousand, two hundred forty-two".