1021203504004 has 24 divisors (see below), whose sum is σ = 1874272454208. Its totient is φ = 485922470880.

The previous prime is 1021203503977. The next prime is 1021203504023. The reversal of 1021203504004 is 4004053021201.

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, 28154562 + ... + 28190809.

It is an arithmetic number, because the mean of its divisors is an integer number (78094685592).

Almost surely, 2^{1021203504004} is an apocalyptic number.

It is an amenable number.

1021203504004 is a deficient number, since it is larger than the sum of its proper divisors (853068950204).

1021203504004 is a wasteful number, since it uses less digits than its factorization.

1021203504004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56345595 (or 56345593 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1021203504004 its reverse (4004053021201), we get a palindrome (5025256525205).

The spelling of 1021203504004 in words is "one trillion, twenty-one billion, two hundred three million, five hundred four thousand, four".