1021333412404 has 12 divisors (see below), whose sum is σ = 1805029843428. Its totient is φ = 505610600000.

The previous prime is 1021333412329. The next prime is 1021333412483. The reversal of 1021333412404 is 4042143331201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1003242624400 + 18090788004 = 1001620^2 + 134502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264026097 + ... + 1264026904.

It is an arithmetic number, because the mean of its divisors is an integer number (150419153619).

Almost surely, 2^{1021333412404} is an apocalyptic number.

It is an amenable number.

1021333412404 is a deficient number, since it is larger than the sum of its proper divisors (783696431024).

1021333412404 is a wasteful number, since it uses less digits than its factorization.

1021333412404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528053106 (or 2528053104 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1021333412404 its reverse (4042143331201), we get a palindrome (5063476743605).

The spelling of 1021333412404 in words is "one trillion, twenty-one billion, three hundred thirty-three million, four hundred twelve thousand, four hundred four".