1213332404044 has 6 divisors (see below), whose sum is σ = 2123331707084. Its totient is φ = 606666202020.

The previous prime is 1213332404021. The next prime is 1213332404083. The reversal of 1213332404044 is 4404042333121.

It is a junction number, because it is equal to n+sod(n) for n = 1213332403997 and 1213332404015.

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 as a sum of consecutive naturals, namely, 151666550502 + ... + 151666550509.

Almost surely, 2^{1213332404044} is an apocalyptic number.

It is an amenable number.

1213332404044 is a deficient number, since it is larger than the sum of its proper divisors (909999303040).

1213332404044 is a wasteful number, since it uses less digits than its factorization.

1213332404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303333101015 (or 303333101013 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1213332404044 its reverse (4404042333121), we get a palindrome (5617374737165).

The spelling of 1213332404044 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, four hundred four thousand, forty-four".